tag:blogger.com,1999:blog-39659778319993092372024-03-26T09:36:23.503-04:00Dark Island PRPuerto Rico is the dark island since September. We cannot get reliable information from the newspapers, from the government, from the media.
I have lived in Puerto Rico since 1971 and am somewhat familiar with the PREPA system.
Contact darkislandpr@gmail.com
Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.comBlogger63125tag:blogger.com,1999:blog-3965977831999309237.post-76095096444896799652024-03-05T11:35:00.001-04:002024-03-05T11:35:32.904-04:00<p></p><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: left;">These pictures were generated by Bing's image creator for the cover art for my forthcoming book "Secrets of Liquid Filling" Prompt was some variation around "Picture of a bottle filling machine for a book cover"</div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;">Either 2 or 4 will be the final cover. I like 4 slightly better but wonder if flying bottles are the best image for a book about how to keep the bottles from flying. 1 or 3 would be fine also but a bit less fine. </div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;">If you have any thoughts, let me know in the comments. <br /></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: left;"><br /></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"></div><div class="separator" style="clear: both; text-align: center;"><img border="0" data-original-height="1045" data-original-width="4254" height="142" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiSjsPXwkYg6bk-YL3uWt-_uW4emUmYPzbUipCiIHsnLgfATLIX9xfSPRPbLuRNyNAd6_I3zUuGtRJ6RiAwF3qCQTs64rugAyj2pH4wxq3lDSdk_O1KCH75IaHTI-xr1v34c8tWGXm6H12P0iAKyk9aFugl4k5KVVDnuJW5Ts51fGEZ1woXosgMqRdykc4/w576-h142/Cover%20Pics.jpg" width="576" /></div><br /> <p></p>Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com1tag:blogger.com,1999:blog-3965977831999309237.post-17554099878484260462022-06-06T10:26:00.004-04:002022-06-06T10:26:36.162-04:00Elantra milage<p> Drove from Fajardo to yauco this morning 112 miles 55.8 miles to the gallon. </p><p><br /></p><p>Hyundai Elantra 2022 not hybrid, pure ice <br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmyNI6a6A-lVzL0kTZqSq8pLdBlf3fMBW6LQYLKkvmQjZUKvlTmOtUfsrS1CpjWeaq3ll2e9oc9MdV8LhxXMUJ4TmD9B4h0OfMZEN4MMMYleir4RaHF0MNxQn77JuFlR-_9i_VN6adhQJZX2nPjr64sqnLh_pX6b49fkDB-n5Do-WTNeMzuuoLAHTx/s4000/20220606_085454.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="4000" data-original-width="3000" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmyNI6a6A-lVzL0kTZqSq8pLdBlf3fMBW6LQYLKkvmQjZUKvlTmOtUfsrS1CpjWeaq3ll2e9oc9MdV8LhxXMUJ4TmD9B4h0OfMZEN4MMMYleir4RaHF0MNxQn77JuFlR-_9i_VN6adhQJZX2nPjr64sqnLh_pX6b49fkDB-n5Do-WTNeMzuuoLAHTx/s320/20220606_085454.jpg" width="240" /></a></div><br /><p></p><p>First 10,000 miles averaged over 40 mpg</p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p><br /></p>Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-73137320532164940892021-10-01T23:21:00.001-04:002021-10-01T23:21:07.386-04:00<p> Australian face mask</p><p><br /></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9z_JSHuaRXHwiPPvvM3N1LtAn1-x0NyFbyI5wUdTZdPCXmCX3FBrSrWjmKspb1j0AqYLkhsMWzXQysW0GpIpM1LfbBKXtomHlVyjbxnlHU85xpGzkVFI9QlNsA-MiRAscHleyk9HAQPQ/" style="margin-left: 1em; margin-right: 1em;"><img alt="" data-original-height="566" data-original-width="800" height="226" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj9z_JSHuaRXHwiPPvvM3N1LtAn1-x0NyFbyI5wUdTZdPCXmCX3FBrSrWjmKspb1j0AqYLkhsMWzXQysW0GpIpM1LfbBKXtomHlVyjbxnlHU85xpGzkVFI9QlNsA-MiRAscHleyk9HAQPQ/" width="320" /></a></div><br /><br /><p></p>Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-22866500975756185212019-10-14T12:46:00.001-04:002019-10-14T12:46:41.498-04:00California's main electrical utility is now cutting power to millions of customers. The reason is, due to years of poor maintenance, they are worried about the power lines starting forest fires. Rather than do maintenance, they simply shut down when winds are high.<br />
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One of the interesting things to come out of this is that a lot of people who went all in on residential solar power are finding that it does them no good in an outage. Most of the solar systems are connected to the grid and do not have local storage. When the grid is down, so is the homeowner's residential system.<br />
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Kind of like what we found out about our windmills 2 years ago. Unless they have grid power for energization, they cannot generate enough power on their own to light a flashlight.<br />
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Speaking of windmills, the Naguabo wind farm is still dead. There seem to be no plans whatever to repair it. All the money in windmills seems to be in building them, not actually operating them.<br />
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Another scam on us long-suffering taxpayers.<br />
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NUCLEAR NOW!Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com1tag:blogger.com,1999:blog-3965977831999309237.post-14772585782216400392018-06-23T16:39:00.001-04:002018-06-23T16:39:44.414-04:00World record efficiencyhttps://www.ge.com/reports/bouchain/Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-17266934836575617242018-05-12T22:17:00.000-04:002018-05-12T22:17:10.410-04:0022m PREPA Customers without light/ MWs of power on pier 4In a recent Caribbean Business article<br />
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<a href="http://caribbeanbusiness.com/senators-concerned-about-usace-exit-amid-puerto-rico-grid-repair/" target="_blank">http://caribbeanbusiness.com/senators-concerned-about-usace-exit-amid-puerto-rico-grid-repair/ </a><br />
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Reporter Eva Llorens Velez says: <br />
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"Some of the senators noted that if Puerto Rico <b>wants to be resilient and
produce 30% of the energy with renewable sources</b>, system redundancy
must be in place. Bruce Walker, the assistant secretary of the U.S.
Energy Department’s Office of Electricity Delivery and Energy
Reliability, spoke at length about strategies to make the grid more
resilient."<br />
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I find that most of the time "renewable" is
code for solar and wind, although there are other renewable alternatives
(nuclear, landfill gas, OTEC, waste to energy, cogeneration, to name a few).<br />
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Getting people to switch from electric to propane for cooking,
water heating and clothes drying would save a lot of energy each year
even though propane may not be renewable.<br />
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I've posted enough on solar and wind that I won't go into why they are bad ideas again.<br />
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Whatever else they are and are not, they are NOT resilient. Not in the face of a hurricane. <br />
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Yes, we need reliable, resilient, power. Yes, we need the power distributed around the island. It is ridiculous that Fajardo gets its power from Peñuelas. Not just for resiliency but for the cost of transmitting that power all that distance. We need a large number of smaller, 100-500MW plants, perhaps even smaller than 100MW widely distributed. </div>
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Many manufacturing plants would like to build microgrids and there is no reason why they can't do it safely and effectively. </div>
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Except PREPA:</div>
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“We have not been able to do that in the past because typically Prepa
protects its invoices. We are the biggest invoice. They may be concerned
about this kind of threat,” he [Rodrigo Masses] said.</div>
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Longer term, I am hoping to see some of these small, package, nuclear power plants in PR in the next 5 years. Now that would be resilient AND renewable. They can put the first one in my backyard at Roosevelt Roads. </div>
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I won't feel threatened at all. But perhaps that is because I know something about the safety of nuclear power.</div>
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Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-21374317761296551592018-05-12T21:33:00.001-04:002018-05-12T21:33:23.265-04:00Udate on Sta Isabel WindfarmA week or two back I noted that, even though there seemed to be plenty of wind, the Sta Isabel windmills were not turning.<br />
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I drove past last night and most of them were spinning merrily around. 3-4 were stopped but the rest were running.<br />
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So perhaps they are undamaged and/or repaired after all.<br />
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John HenryDarkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-28636164419577238182018-05-06T19:44:00.001-04:002018-05-06T19:44:12.948-04:00Open ThreadThis will be an open thread to discuss anything energy related in the comments.<br />
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Have at it!Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-46872716262727773032018-05-06T11:51:00.001-04:002018-05-06T11:51:54.886-04:00PRASA Gennys<p dir="ltr">Forgot the picture of Luquillo</p>
<p dir="ltr">This is in Bo <u>Fortuna</u></p>
<div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTqPfcJARInCN6pZK0ghelkCykayj2LidG-ala1O_IvI7vaRyPKFsSZF1KCujCBQQM6JgNAOvLFBZImT61qY75plTsqzUNQlk6WH8cCLVn-y0-6iRu-FeQi5UfG39x24EzNLnySmCFvFU/s1600/20180505_123055.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"> <img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjTqPfcJARInCN6pZK0ghelkCykayj2LidG-ala1O_IvI7vaRyPKFsSZF1KCujCBQQM6JgNAOvLFBZImT61qY75plTsqzUNQlk6WH8cCLVn-y0-6iRu-FeQi5UfG39x24EzNLnySmCFvFU/s640/20180505_123055.jpg"> </a> </div>Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-50209976778957039332018-05-06T01:19:00.001-04:002018-05-06T01:19:21.377-04:00PRASA generator <p dir="ltr">Why does PRASA still have generators (and 24/7 guards) at pumping stations?</p>
<p dir="ltr">All three of these were running today and have been for months. </p>
<p dir="ltr">These are in rio grande, Luquillo and Fajardo. </p>
<p dir="ltr">Power has been restored at all 3 locations since jan/feb</p>
<p dir="ltr">Anybody know? </p>
<div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFII-qKt-5Ga5Mx0XdyJbJIBob2c65L4rvYuiA-oQ4Ge2Sv7NIp-BHPER90R3GejrIlb-ritW2vEoyVE5BlhUTsEVBPJ3yypltjmM1-hE5LkvNpCOGnXLU7oxmoynpBONI9Dsu00c1pzE/s1600/20180505_122106.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"> <img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFII-qKt-5Ga5Mx0XdyJbJIBob2c65L4rvYuiA-oQ4Ge2Sv7NIp-BHPER90R3GejrIlb-ritW2vEoyVE5BlhUTsEVBPJ3yypltjmM1-hE5LkvNpCOGnXLU7oxmoynpBONI9Dsu00c1pzE/s640/20180505_122106.jpg"> </a> </div><div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim9iRcPV5Fk5qBjENeSSaX6n3U-DXZGTiGMjXxTasxWqEB5IASgeukhWwD1oB1bfpeP1t4C4VZwKkVlg6ygSUg_xXERuY6huIu3Z272p4p9O2XqUYRCPtQPGvVBPahh1ESdp0FNZAUxDc/s1600/20180505_144328.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"> <img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEim9iRcPV5Fk5qBjENeSSaX6n3U-DXZGTiGMjXxTasxWqEB5IASgeukhWwD1oB1bfpeP1t4C4VZwKkVlg6ygSUg_xXERuY6huIu3Z272p4p9O2XqUYRCPtQPGvVBPahh1ESdp0FNZAUxDc/s640/20180505_144328.jpg"> </a> </div>Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-76770535306348732432018-04-23T00:41:00.000-04:002018-04-23T00:41:06.744-04:00I was coming home from Ponce Wednesday and decided that rather than take the expressway as I normally so, I would drive up and around the coast.<br />
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I drove through Guayama and drove up close to the AES coal plant. There was some steam venting but, looking closely at the heat plume, or rather the lack of a plume, it appeared that the plant might have been offline.<br />
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I also drove close to the Aguirre plant. Again, a bit of steam venting but not much of a heat plume.<br />
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In Yabucoa, at least 2 of the 3 gas turbines were running and, from the plumes, running fairly hard. Ditto the 2 GTs in Ceiba. Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-14443849333140952462018-04-23T00:24:00.001-04:002018-04-23T00:35:10.212-04:00Santa Isabel Windfarm<div class="separator" style="clear: both; text-align: center;">
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Thursday I drove past the Santa Isabel windfarm. As you can see from the flag, it seemed fairly windy. As you can see from the windmills, only 3 of the 30 or so were actually turning. I have no idea why. </div>
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In a letter to the PR Energy Commission last year, the owners of the windmills said that there was no apparent storm damage but they could not be operated for two reasons:</div>
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1) The transmission lines were still down so they had no way to get the power into the grid. That seemed reasonable in October, not so reasonable today. </div>
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2) The other reason, which took me aback, was that they cannot operate the windmills unless they can <b>receive </b>utility power to energize their generators. I can understand needing some power to energize controls, get the windmill pointed in the right direction and energize the generator coils. That would not seem like a lot of power and a relatively small diesel generator should be able to supply it.</div>
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One more reason the whole idea of using wind to generate utility scale electricity seems harder and harder for me to understand. </div>
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<br />Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-59918649233880788112018-03-07T08:49:00.001-04:002018-03-07T08:49:08.224-04:00A brief history of PREPABeen meaning to post this for a while and not getting around to it.<br />
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This is a history of PREPA and its antecedents in the electric game. Interesting throughout. <br />
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<a href="https://www.elnuevodia.com/english/english/nota/historyshedslightonthepresentsituation-2390186/">https://www.elnuevodia.com/english/english/nota/historyshedslightonthepresentsituation-2390186/</a>Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-37495686352332385202018-02-03T21:26:00.001-04:002018-02-03T21:26:17.556-04:0050mw factory nuclear generators<p dir="ltr">I've said before that I think we need to keep an open mind to nuclear power. </p>
<p dir="ltr">These modular nukes are built in a factory and erected onsite. Perhaps these or something like them is the key to acompact, hurricane proof and sustainable future. <br></p>
<p dir="ltr">http://www.nuscalepower.com/our-technology/technology-overview</p>
Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-28986045424825569212018-02-02T22:23:00.001-04:002018-02-02T22:23:35.034-04:00Warehouse 5 fake news update El nueva dia was on the warehouse 5 story right away and got it right. See my post below. The justice dept just issued their report.<br />
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<a href="http://www.foronoticioso.com/fn/puerto-rico-department-of-justice-issues-report-on-the-prepa-warehouse-investigation/" target="_blank">http://www.foronoticioso.com/fn/puerto-rico-department-of-justice-issues-report-on-the-prepa-warehouse-investigation/</a><br />
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There were no materials hidden in warehouse 5. It was fake news. I don't know who ginned it up or why but am happy to see it put to sleep.Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-2073885193793126472018-02-01T22:02:00.001-04:002018-02-01T22:02:24.152-04:00Naguabo windmills update<p dir="ltr">The regional weekly Presencia has an update on the totally destroyed windfarm in Naguabo. The owners say they will rebuild as soon as they get the insurance money. </p>
<p dir="ltr">Me? I doubt it. I expect that 5 years from now the will still be unrepaired. A good thing too as their output is horribly overpriced. 18 cents vs 10-12 for guayama's coal fired and Penuelas' gas generated juice. Us long suffering prepa customers just can't afford it. </p>
<p dir="ltr">http://www.presenciapr.com/destrozada-punta-lima-wind-farm-empresa-reconstruira-parque-eolico-en-naguabo/</p>
Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-29896704578722471072018-01-28T03:00:00.000-04:002018-01-28T03:00:43.432-04:00PREPA Warehouse 5A couple weeks ago there were reports about PREPA squirreling away parts and supplies in a Cataño warehouse. Big headlines: <b>ARMED FEDERAL AGENTS RAID WAREHOUSE!!!</b> and so forth.<br />
<br />
Turns out that this was just more fake news. Yes, ARMED!!! federal agents did go to the warehouse but pretty much all federal agents are armed so there is nothing unusual about this. It does works as a headline to get people spun up, though.<br />
<br />
El Nueva Dia went to investigate (Good for you, END, for doing your job properly) and here is what they found:<br />
<i> </i><br />
<h1 class="title">
<i>PREPA “Warehouse 5" was no secret </i></h1>
<i>
</i><h2>
<i>
The public corporation attributes federal intervention to a communication problem </i></h2>
<i>
</i><div class="toolbar-item item-date">
<i>
</i><i>Tuesday, January 16, 2018 - 10:05 AM</i><br />
</div>
<br />
<i>... </i><br />
<i>However, the Director of Transmission and
Distribution of PREPA, José Sepúlveda Aponte, showed this newspaper
documents that prove that, shortly after the passage of hurricane María,
crews from PREPA and from private companies hired by the public
corporation, as well as the Corps of Engineers, started looking for
materials at that warehouse.
</i><br />
<i>"All the new metal (transmission) towers that have
been installed came from warehouse 5. It is the only warehouse with that
material," he said.</i><br />
<i>
</i><br />
<i>Between September and October, about 200 requests
were made, mostly by PREPA crews, according to the logbook shown to this
newspaper. There are also entries made by Whitefish and Cobra
companies.</i><br />
<i>
</i><br />
<i>As of October 28, there are entries of private crews
hired by the Corps of Engineers, such as one made by Flour-Pike on
October 28 for works on line 36800 in Canóvanas. There is also an entry
on November 11 for that same line.</i><br />
<i>
</i><br />
<i>Meanwhile, on November 18 a crew of the New York
Power Authority, also subcontracted by the Corps of Engineers, appears.
In another document he highlighted that Fluor was also in the warehouse
in December, as well as Con Edison.</i><br />
<i>
</i><br />
<i>There was no information available about entries made after December.</i><br />
<i>... </i><br />
<br />
<a href="https://www.elnuevodia.com/english/english/nota/prepawarehouse5wasnosecret-2390311/">https://www.elnuevodia.com/english/english/nota/prepawarehouse5wasnosecret-2390311/</a><br />
<br />
Read the whole thing. My guess is that this was a political "SWATing" designed to gin up controversy. Much like the fake controversy that was ginned up over Whitefish. <br />
<br />Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com1tag:blogger.com,1999:blog-3965977831999309237.post-62243729972340078232018-01-27T15:15:00.001-04:002018-01-27T15:15:36.283-04:00Link to Comments on proposed microgrid regulation <p dir="ltr">There are a number of interesting comments posted on the proposed microgrid regulztion. Here's the link to them</p>
<p dir="ltr"><a href="http://energia.pr.gov/numero_orden/cepr-mi-2018-0001/">http://energia.pr.gov/numero_orden/cepr-mi-2018-0001/</a></p>
Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-2775819763537801412018-01-26T14:13:00.001-04:002018-01-26T14:13:18.238-04:00Comments on PR Microgrid Regulations<!--[if !mso]>
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<![endif]-->In an earlier post <a href="https://darkislandpr.blogspot.com/2018/01/microgrid-regulations.html">https://darkislandpr.blogspot.com/2018/01/microgrid-regulations.html</a> I had linked to the proposed microgrid regulations, expressed my support and mentioned a couple of comments. I finally got them written up and submitted. My complete comments are below <br />
<br />
<br />
<div class="MsoNormal">
26 January 2018</div>
<div class="MsoNormal">
Puerto Rico Energy Commission</div>
<div class="MsoNormal">
San Juan PR</div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
Good morning!</div>
<div class="MsoNormal">
I have lived in Puerto Rico since 1971. For the past 30
years I have had no intercourse with PREPA other than as a residential
customer. I work with industrial manufacturing and have long been concerned
that a reliable and reasonably priced electrical supply is one of the top
priorities for any company manufacturing or contemplating manufacturing on the
island. This is also true of any other company in or coming to Puerto Rico. </div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
In the 1970s and 80s I worked for a pharmaceutical
manufacturer as Manager, Facility Operations. At that time PREPA’s inability to
supply reliable power, at any cost, was a major problem. It was so major that
it led me to develop one of the first microgrids in Puerto Rico, though we did
not call it that at the time. Due to legal opposition by PREPA we never put it
into operation. It did give me an opportunity to learn a lot about PREPA and
Puerto Rico’s electrical system. I have maintained a layman’s interest in
energy in general and PREPA in particular ever since. </div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
I am very happy to see the microgrid initiative and I think
this is just what Puerto Rico needs. A great deal of thought has obviously gone
into the microgrid regulations and I congratulate you on a job well done. </div>
<div class="MsoNormal">
<br /></div>
<div class="MsoNormal">
I have a few comments that I would like included in the
record. </div>
<div class="MsoNormal">
<br /></div>
<div class="MsoListParagraphCxSpFirst" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-fareast-font-family: Arial;"><span style="mso-list: Ignore;">1<span style="font: 7.0pt "Times New Roman";"></span></span></span>1.There
is excessive emphasis, in my opinion, on solar. While solar has some
applications in Puerto Rico, I do not think it should be permitted to be a
major source of energy. </div>
<div class="MsoListParagraphCxSpMiddle">
<br /></div>
<div class="MsoListParagraphCxSpMiddle" style="margin-left: 1.0in; mso-add-space: auto; mso-list: l0 level2 lfo1; text-indent: -.25in;">
<span style="mso-fareast-font-family: Arial;"><span style="mso-list: Ignore;">a.<span style="font: 7.0pt "Times New Roman";"> </span></span></span>It
is fragile. As we saw in Maria, it does not stand up well to hurricanes. This
installation in Humacao is a good example.</div>
<div class="MsoListParagraphCxSpMiddle">
<br /></div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPW7HrtJLH4p4kwTM6LWBwgCjga-BofeUIr6mVhmKwV0bsGo6wctT2R61S7HbX1tNiuwjWVy7kDSgItrzWQFhia8l9y9rkYcGNVPfw_9uBReWvAyLDX-LsX-kRpGXSce6faX-lhiAWlwY/s1600/Humacao+solar.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="840" data-original-width="1264" height="212" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPW7HrtJLH4p4kwTM6LWBwgCjga-BofeUIr6mVhmKwV0bsGo6wctT2R61S7HbX1tNiuwjWVy7kDSgItrzWQFhia8l9y9rkYcGNVPfw_9uBReWvAyLDX-LsX-kRpGXSce6faX-lhiAWlwY/s320/Humacao+solar.png" width="320" /></a></div>
<div align="center" class="MsoListParagraphCxSpMiddle" style="text-align: center;">
<span style="mso-no-proof: yes;"><br /></span></div>
<div class="MsoListParagraphCxSpLast" style="margin-left: 1.0in; mso-add-space: auto; mso-list: l0 level2 lfo1; text-indent: -.25in;">
<span style="mso-fareast-font-family: Arial;"><span style="mso-list: Ignore;">b.<span style="font: 7.0pt "Times New Roman";"> </span></span></span>Solar
occupies far too much land for the amount of power that it generates. AES has solar
and coal at their Guayama site. Each occupies roughly similar amounts of land.
The solar facility generates about 5MW effective or about the equivalent of a truck
portable diesel plant. The coal plant generates 454MW. </div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRja_8wVu5TOe6CoPGnN4vDQZH29e7n7NjMLW73LTAZ9IJwpQCc3Xsypq7SwuPx-yzk5BE5Q84D0DNCmo31XWMDG58XXXNMA-RK8VFTAEUdePp7oDE0_gM1QTMbFz1FHN2L3gDWbnbRiw/s1600/AES+Guayama.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1057" data-original-width="1600" height="211" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjRja_8wVu5TOe6CoPGnN4vDQZH29e7n7NjMLW73LTAZ9IJwpQCc3Xsypq7SwuPx-yzk5BE5Q84D0DNCmo31XWMDG58XXXNMA-RK8VFTAEUdePp7oDE0_gM1QTMbFz1FHN2L3gDWbnbRiw/s320/AES+Guayama.png" width="320" /></a></div>
<div class="MsoListParagraphCxSpLast" style="margin-left: 1.0in; mso-add-space: auto; mso-list: l0 level2 lfo1; text-indent: -.25in;">
<br /></div>
<div align="center" class="MsoNormal" style="text-align: center;">
<span style="mso-no-proof: yes;"><br /></span></div>
<div class="MsoListParagraphCxSpFirst" style="margin-left: 1.0in; mso-add-space: auto; mso-list: l0 level2 lfo1; text-indent: -.25in;">
<span style="mso-fareast-font-family: Arial;"><span style="mso-list: Ignore;">c.<span style="font: 7.0pt "Times New Roman";"> </span></span></span>AES
has mentioned building 10,000MW nominal, 2,500MW effective of solar in Puerto
Rico. Allowing 5 acres per nominal MW, this would occupy almost 80 square miles
of land. That is a lot on our small island. The yellow box on this picture
shows 80 square miles relative to Puerto Rico. </div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxBCPO-wYWhhjXFRHw0B0QbrpnBK_GDtucVLnFkFYvKe7U2zW6HJzceUbuwUpRJck9vG9UYnw33l7QTpDZ_9GrLkVWH1F4eKRL87FyG3YpEqec1De23o4lsCkGCwYZQhOm9BLaENaFQIc/s1600/80+square+miles+PR.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="845" data-original-width="1594" height="169" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhxBCPO-wYWhhjXFRHw0B0QbrpnBK_GDtucVLnFkFYvKe7U2zW6HJzceUbuwUpRJck9vG9UYnw33l7QTpDZ_9GrLkVWH1F4eKRL87FyG3YpEqec1De23o4lsCkGCwYZQhOm9BLaENaFQIc/s320/80+square+miles+PR.png" width="320" /></a></div>
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<span style="mso-no-proof: yes;"><br /></span></div>
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<br /></div>
<div class="MsoListParagraphCxSpMiddle" style="margin-left: 1.0in; mso-add-space: auto;">
The solar will not be built in a single installation, of course. It will
be distributed in smaller blocks across the island. It is still 80 square miles
total. Some will be built on rooftops, parking lots and so on. A lot, probably
most, will displace existing flora, even if just weeds and will make the land
unavailable for any other use. These plants absorb CO2 so the impact on CO2
emissions of this much vegetation being destroyed needs to be evaluated. </div>
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<span style="mso-fareast-font-family: Arial;"><span style="mso-list: Ignore;">d.<span style="font: 7.0pt "Times New Roman";"> </span></span></span>Solar
power in Puerto Rico is expensive. Is there any assurance that it will be less
expensive in the future? PREPA has 20 year contracts to pay 18c/kwh for solar
power with AES, the Humacao solar facility and others. In contrast, it
purchases power from AES (coal) and EcoElectrica (natural gas) for between 9
and 12 cents/kwh over the past 4-5 years. Solar should only be encouraged if
the power is competitively priced.</div>
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<br /></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-fareast-font-family: Arial;"><span style="mso-list: Ignore;">22.<span style="font: 7.0pt "Times New Roman";"> </span></span></span>Reliability
of power must be a major concern of the regulation. Solar, and to a lesser
extent wind, power plant outputs fluctuate from maximum to zero over the course
of a day. Cloudy weather or low winds will cause fluctuations. Output also
varies seasonally. </div>
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Battery storage will help smooth this out. However,
most of the systems in use and contemplated provide limited backup power for 6-12
hours generally. This leaves solar customers without power at night and during
multi-day cloudy periods as are common in Puerto Rico. A succession of still
days will leave wind customers without power as well once the batteries run
down. Currently this is not a problem because PREPA provides, in effect, an
infinite battery or standby power. This may be a legitimate strategy for
wind/solar generators but it is not free. PREPA must constantly maintain hot
capacity ready to make up any shortfalls. If the wind/solar generators do not
pay the full cost of this excess ready capacity, the costs will fall on the
ratepayers or on Puerto Rican taxpayers. </div>
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<br /></div>
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Any microgrid regulation must require extended time backup power to be
paid for by microgrid customers. If it can’t be provided by PREPA, the
microgrid owner must be required to provide a diesel, gas turbine or other
power supply that can run for an indefinite time, subject to fuel and
maintenance. </div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-fareast-font-family: Arial;"><span style="mso-list: Ignore;">3. <span style="font: 7.0pt "Times New Roman";"> </span></span></span>Cogeneration/CHP
is mentioned as a potential generation source for microgrids. I think that currently
this is Puerto Rico’s most important potential power source. One problem with
CHP in Puerto Rico is how to use the waste heat. Combined cycle plants,
generating electrical power from both main engine and waste heat are getting
smaller and smaller. There are many and many applications in Puerto Rico in the
0.5 to 1MW range. It is not clear whether or not these are included in the
microgrid regulation. I believe that the regulation should be clarified to
explicitly permit combined cycle CHP.</div>
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<br /></div>
<div class="MsoListParagraphCxSpMiddle" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-fareast-font-family: Arial;"><span style="mso-list: Ignore;"> 4.<span style="font: 7.0pt "Times New Roman";"> </span></span></span>Wheeling
should be encouraged. This would allow microgrids to sell power to other
microgrids. As I understand the proposal, they can do this but only if
contiguous, transferring directly between microgrids. I believe that PREPA
should be required to allow microgrids to sell power to each other, over PREPA
lines, even if non-contiguous. A microgrid in Mayaguez should be permitted to
sell power to a microgrid in Fajardo. The microgrid must pay a fee to PREPA
sufficient to cover all costs and perhaps a bit extra. This would help PREPA
recover some of the revenue lost from microgrid generation. It would also aid
in disaster recovery as most hurricanes hit the eastern part of Puerto Rico
hardest. </div>
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<div class="MsoListParagraphCxSpLast" style="mso-list: l0 level1 lfo1; text-indent: -.25in;">
<span style="mso-fareast-font-family: Arial;"><span style="mso-list: Ignore;">55.<span style="font: 7.0pt "Times New Roman";"> </span></span></span>Nuclear
power should be included as a potential microgrid energy source. We are likely
to see, in the next 10 years, packaged nuclear power plants in the 1-100MW
range. Nuclear is the ultimate clean, renewable and sustainable energy. These
could be ideal power sources for large microgrids, or as some call them,
minigrids. </div>
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<br /></div>
<div class="MsoNormal" style="margin-bottom: 15.0pt;">
Again, let me emphasize how
welcome these regulations are and how they will go a long way to providing for
Puerto Rico’s energy future. Thank you for your efforts and consideration. Please
contact me if you would like any elaboration on the comments above. </div>
<br />Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-15543217948193862092018-01-26T13:54:00.000-04:002018-01-26T13:54:05.172-04:00I'm speechlessI've been a residential PREPA customer for more than 40 years and an industrial customer for part of that time. In both capacities, when PREPA could not supply power, I've run standby generators to keep the lights on.<br />
<br />
I had never heard of this before but apparently I owe PREPA money for those times. Sometimes I get dizzy here.<br />
<br />
Our governor has, thankfully, put a stop to this stupidity.<br />
<br />
<i><br /></i>
<i><b>Governor prohibits Puerto Rico utility from charging for private generator power</b><br /> </i><br />
<i>By Caribbean Business on January 17, 2018<br /><br />SAN JUAN – A new law signed Wednesday by Gov. Ricardo Rosselló Nevares prohibits the Puerto Rico Electric Power Authority (Prepa) from billing and charging customers for consumption of energy not generated by the public corporation, which implies the utility will not be able to charge for electricity produced by private generators.<br /><br />The governor enacted Senate Bill 666, authored by Sen. Miguel Romero, to establish that Prepa will not be able to bill for energy produced by a generator in emergency situations, which includes blackouts for periods greater than 24 hours.<br /><br />The signing of the new law occurs nearly four months after Hurricane Maria struck the island, with only 63% of the utility’s customers having electric service.</i><br />
<br />
Read the whole thing. <a href="http://caribbeanbusiness.com/governor-prohibits-puerto-rico-utility-from-charging-for-private-generator-power/">http://caribbeanbusiness.com/governor-prohibits-puerto-rico-utility-from-charging-for-private-generator-power/</a>Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-2692893294238338412018-01-23T07:53:00.001-04:002018-01-23T07:53:33.771-04:00Bye-bye PREPA! <p dir="ltr">Our governor just announced that PREPA will be privatized. </p>
<p dir="ltr">Hooray! Time to celebrate. </p>
<p dir="ltr">The devil is in the details of course but it is hard to find any downside to this at all. </p>
<p dir="ltr">The Puerto Rican people agree. In today's Primera Hora newspaper a poll finds 82% in Favor and12% opposed. </p>
<p dir="ltr">More later. In the meantime Caribbean Business has the story. </p>
<p dir="ltr">Hooray! Again. </p>
<p dir="ltr">http://caribbeanbusiness.com/governor-announces-puerto-rico-electric-utilitys-privatization-model/</p>
Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-49064928768341683352018-01-23T03:30:00.000-04:002018-01-23T03:30:24.817-04:00Roosevelt Roads combined cycle<span style="font-family: "arial" , "helvetica" , sans-serif;">We need power generation in the eastern part of the island. Our governor is promoting 4-5MW in Roosevelt Roads which is a good start but only a start. I am not even sure that would be enough to supply Roosevelt Roads in its current state much less when it starts developing. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">We need someone with some vision to build a 50 or even 100MW combined cycle plant in RR. Someone not including PREPA but perhaps one of the propane importers. This could be done as a microgrid for RR selling excess power to PREPA. Seems like a no brainer to me:</span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">1) Location - At present most power generation is in the south and west requiring long transmission runs. This is not only costly, it is inefficient. Nor is it reliable as we saw with Irma and Maria. RR has plenty of vacant land to site the plant. </span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">2) Interconnection - PREPA currently has 2 22MW GT generators at Daguao (Ceiba) ab out 1/2 mile from the end of the runway. These were installed in the early 70s to provide reliable power to the Naval station. A plant at RR could tie in at this substation. (I am guessing, I don't know how much could be connected there or how much of the plant output would be available for sale)</span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">3) Fuel supply - Roosevelt Roads is a perfect place to bring in tanker loads of fuel and has existing fuel piers. Space for storage should not be a problem either. Ships or barges carrying oil or propane could dock and offload in the main harbor or in the auxiliary harbor near the drydock. The plant should be multi-fuel so it can use whatever is cheapest at the moment. </span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"> 4) Customers - The governor wants to develop industry at RR. Having a plant there would provide primary customers for the juice and excess could be sold to PREPA. If RR develops industrially, there may even be customers for steam generated by waste heat. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">5) Ruggedness - A CCGT installation would be pretty rugged and should withstand any hurricane with minimal if any damage. This is not the case with wind or solar. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">In a previous note I commented that the new micro-grid regulation, while addressing combined heat and power (CHP) or cogeneration, does not make any mention of combined cycle. I presume it could be used but it should be made explicit. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">For those unfamiliar with the concept of combined cycle, it is this:</span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">An engine, either turbine or reciprocating is used to drive a generator. About 40% of the heat input is used with the rest wasted. The waste heat is recovered and used to drive a second turbine powering a second generator. This allows 60-70% (or more) of the energy input to be used. </span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">Yes, that is a very, very, basic explanation. A much more detailed explanation is at <a href="https://en.wikipedia.org/wiki/Combined_cycle">https://en.wikipedia.org/wiki/Combined_cycle</a></span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">The EcoElectrica LNG plant in Penuelas is a combined cycle plant. </span><br />
<br />Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-34455554349095411422018-01-21T22:39:00.001-04:002018-01-21T22:39:46.269-04:00Pier 4 generator update (Again-1/21/18)<span style="font-family: Arial, Helvetica, sans-serif;">I first posted about these generators on December 3 <a href="http://darkislandpr.blogspot.com/2017/12/what-are-these-generators-for.html">http://darkislandpr.blogspot.com/2017/12/what-are-these-generators-for.html</a> </span><br />
<br />
<span style="font-family: Arial, Helvetica, sans-serif;">I happened to be in San Juan today but the San Sebastian Festival kept us out of the old city. I drove down my the channel in Isla Grande and the generators are still on Pier 4. No idea whether these are the same ones never sent out, are newly arrived generators, or the ones that were there before, sent out and returned as utility power is restored.</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">There's a lot of them and 40% or so of PR Residents still without power. Why can't some of these be used to provide power to communities? If nothing else, set them up in the street and let people run extension cords.</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">It's been 4 months since Maria. Some folks have been without power since Irma, going on 5 months now. Why aren't these generators being put to work?</span><br />
<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh53HrqsIqbn3nzDE0dGYfc5rKVeWikILiL3VB4VgXyF07KjiTCmNg31w7PnGGkE1alPQXwnmGSp-dkglKvPEjocbwjEcEpiXvwRbB09tA9NxFHfMO1jPqC9kvOc01k5ECv380VZwseQic/s1600/Gennies.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="450" data-original-width="600" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh53HrqsIqbn3nzDE0dGYfc5rKVeWikILiL3VB4VgXyF07KjiTCmNg31w7PnGGkE1alPQXwnmGSp-dkglKvPEjocbwjEcEpiXvwRbB09tA9NxFHfMO1jPqC9kvOc01k5ECv380VZwseQic/s320/Gennies.jpg" width="320" /></a></div>
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<br />Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-70198790797481147492018-01-20T14:00:00.000-04:002018-01-20T14:04:12.234-04:0078 Miles of solar<span style="font-family: "arial" , "helvetica" , sans-serif;">AES, which has a coal (454MW) and solar plant (4MW) plant in Guayama, is recommending the installation of 10,000MW of solar in Puerto Rico. They are advocating this as the primary source of PR's electrical supply. The use of batteries is included to even out availability but they do not address what happens when we have 2-3 cloudy days in a row (That never happens in PR, does it?).</span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">That is 10,000MW nominal which translates to about 2,500 effective MW. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">For a sens of scale, here is what the existing coal/solar plant looks like. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<br />
<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: "arial" , "helvetica" , sans-serif;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1W7oVHuz1qkc_FWY4Musoy0bmLo4urLM-PIJwwOklFjGgJZzWEN77ZAPHW4CU1S3KirNLIqfQdKlK0NhDLz5HV80z0kIeEmt4wtHIJEGjqqNs_qp_zpmgU4NDmQCWYT9geIKpE3LnCpU/s320/AES+Guayama.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="211" data-original-width="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi1W7oVHuz1qkc_FWY4Musoy0bmLo4urLM-PIJwwOklFjGgJZzWEN77ZAPHW4CU1S3KirNLIqfQdKlK0NhDLz5HV80z0kIeEmt4wtHIJEGjqqNs_qp_zpmgU4NDmQCWYT9geIKpE3LnCpU/s320/AES+Guayama.png" /></a></span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">So I was thinking about how much space 10,000MW would occupy. Looking around I find that the AES and Humacao solar sites each occupy 6-7 acres per nominal megawatt. Panels will continue getting more efficient so let's say 5 acres per MW. 10,000MW will require 50,000 acres. That is about 78 square miles or 202 square kilometers.</span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">That is a lot of land that can't be used for much else. Nothing will grow under the panels so we lose the carbon eating potential of plants, even if just weeds. Some of it can be built on roofs or over parking lots but even so we still lose a lot of land. Not just land but relatively flat land. You know, like you would use for agriculture. Flat land that we have precious little of </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">To picture just how much 80 square miles is, I put an 80sqm block on top of a map of PR. The yellow block is to scale and is 40 miles long by 2 miles wide. Of course, the panels will be distributed in smaller areas but the total cumulative area will be the same. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
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<span style="font-family: "arial" , "helvetica" , sans-serif;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEijeE3ugOl7FqYISr3KrHh7WtDZNGEHHJnw5YC7umd_r5pF602tkldOjFiihPGVwbzQGTbYQ1605R0rqWFeAa63L8PTv-LT5fHWPMHi6fqCxJz_Z4MGluOkgy1KL6rJiVGlZXQHhGbTVZI/s1600/80+square+miles+PR.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="845" data-original-width="1594" height="169" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEijeE3ugOl7FqYISr3KrHh7WtDZNGEHHJnw5YC7umd_r5pF602tkldOjFiihPGVwbzQGTbYQ1605R0rqWFeAa63L8PTv-LT5fHWPMHi6fqCxJz_Z4MGluOkgy1KL6rJiVGlZXQHhGbTVZI/s320/80+square+miles+PR.png" width="320" /></a></span></div>
<span style="font-family: "arial" , "helvetica" , sans-serif;">Two other problems with making us dependent on solar:</span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">1) Resiliency - Puerto Rico experiences regular hurricanes and has since forever. There is no reason we should not expect another Maria in the future. Hurricanes and solar panels do not mix. Just take a look at the Humacao solar farm which was completely destroyed.</span><br />
<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjn3KH9RZJ-YzDzu3nFqbQ8DHJhtj-Rc0g7EuibZwc_Wciyn9QvQsVPkud6E_a1oY_wxFcN-x6Nids8nSa9lwH-A5KgrVXx4XJcH9ZqeQX6EJULSprs3bnFTTLH4GxZjCuhwFYFV1wy0bg/s1600/Humacao+solar.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="840" data-original-width="1264" height="212" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjn3KH9RZJ-YzDzu3nFqbQ8DHJhtj-Rc0g7EuibZwc_Wciyn9QvQsVPkud6E_a1oY_wxFcN-x6Nids8nSa9lwH-A5KgrVXx4XJcH9ZqeQX6EJULSprs3bnFTTLH4GxZjCuhwFYFV1wy0bg/s320/Humacao+solar.png" width="320" /></a></div>
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">2) Cost - Solar is not cheap. At present AES sells coal powered electricity to PREPA for 9-12 cents/kwh. EcoElectrica sells LNG powered juice to PREPA for about the same price. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">PREPA pays 18c/kwh for solar and has locked into contracts for 20 years at this price. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">Detailed data on how much PREPA purchases and how much it pays from these and other plants is available at their site <a href="https://aeepr.com/Documentos/Ley57/Tablas%20Compra%20de%20Energ%C3%ADa.pdf">https://aeepr.com/Documentos/Ley57/Tablas%20Compra%20de%20Energ%C3%ADa.pdf</a></span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">Puerto Rico must have cheap, reliable, clean energy. Solar is not the way to get there. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">I will be happy to have AES or anyone else invest their own money in solar energy on the same basis as any other form of energy. No tax or regulatory sweeteners. Especially no sweetheart power purchase agreements. PREPA needs to buy solar on the same basis as they buy coal, gas, oil or other energy. They need to pay time based avoided cost. PREPA needs to purchase a mix of energy buying whatever is cheapest at any given minute. </span>Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0tag:blogger.com,1999:blog-3965977831999309237.post-80051860840916423212018-01-15T09:57:00.002-04:002018-01-15T09:57:35.293-04:00Microgrid regulations<span style="font-family: "arial" , "helvetica" , sans-serif;">The PR
Energy Commission last week issued their proposed regulations on
microgrid development. I read it over the weekend and recommend everyone
interested in energy do so. Don't get scared thinking it will be like
most regulations with dense, unreadable, legalese. I think anyone, even
someone who knows very little about energy beyond how to turn on a light
switch, will be able to understand it. </span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">One
of the things I learned is what I pioneer I am in PR energy
development. I developed a microgrid back more than 30 years ago! </span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">Without
going into a lot of detail here, what it mainly does is allows
individuals, companies, consumers, third parties, municipalities and
pretty much anyone else to develop small scale power projects. These
might serve a single plant or building or an area as large as a
municipality. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"> </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">Most
importantly, it recognizes the right of third parties to sell
electricity at retail under certain conditions. (This stems from the
Alcon case discussed previously here <a href="http://darkislandpr.blogspot.com/2017/12/alcon-v-prepa.html">http://darkislandpr.blogspot.com/2017/12/alcon-v-prepa.html</a>) Microgrid operators can sell power to PREPA , to members (if a co-op), to themselves or to customers connected to the grid.</span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">The
goal, highly worthy in my view, is to get away from the entire island
being dependent on a few distant central plants in Penuelas and Guayama
and get power generation distributed closer to point of use. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">It
tries to encourage the use of renewables, not limited to wind and
solar, but permits all types of energy generation for microgrids. It
specifically mentions cogeneration, or "Combined Heat and Power" (CHP)
as it calls it. I think this, combined in some applications with
batteries, is the best way to go. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">I really only have three comments, which I will be submitting, about the proposed regulation:</span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">1)
I think small scale (>10MW) packaged nuclear plants will become
practical and available in the next 5-10 years. Nuclear is the ultimate
renewable energy and should be included in the regulation. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">2)
CHP generally involves using a gas turbine or diesel engine to generate
electricity then recovering the waste heat and using it for steam,
chilled water or some other purpose. This boosts the system efficiency
from @40% for electric only to 60-80%. Combined cycle is a form of
cogeneration that uses the waste heat from the gas turbine to power a
secondary steam turbine generator. Eco-Electrica and AES Guayama are
both combined cycle cogenerators. </span><br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><br /></span>
<span style="font-family: "arial" , "helvetica" , sans-serif;">It
is unclear in the regulation whether combined cycle will be permitted. I
believe it should be permitted and the regulation should explicitly do
so. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">3) Microgrids can sell power only to those connected to the microgrid or to PREPA. I would like to see provisions for PREPA to wheel power between microgrids. A microgrid in Mayaguez may have excess capacity at certain times that could be used by another microgrid in Humacao. They should be able to inject the power into the PREPA grid in Mayaguez and sell it to the microgrid in Humacao. PREPA would receive a fee for use of their system for this transmission, of course. As I understand the current proposal, the Mayaguez plant would have to sell the excess to PREPA who would then sell it generally to their customers. </span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"><br /></span>
<span style="font-family: Arial, Helvetica, sans-serif;">I seem to recall that PURPA requires wheeling for "Qualified Facilities" but it has been many years and I may be misremembering it. </span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">Read the whole thing here:</span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;"><a href="http://energia.pr.gov/wp-content/uploads/2018/01/Proposed-Regulation-on-Microgrid-Development-CEPR-MI-2018-0001-1.pdf">http://energia.pr.gov/wp-content/uploads/2018/01/Proposed-Regulation-on-Microgrid-Development-CEPR-MI-2018-0001-1.pdf</a></span><br />
<br />
<span style="font-family: "arial" , "helvetica" , sans-serif;">Comments can be submitted prior to Feb 4 to <a href="mailto:comentarios@energia.pr.gov">comentarios@energia.pr.gov</a></span>Darkislandhttp://www.blogger.com/profile/11179670958768611172noreply@blogger.com0