Most reacted threads

I found this story about the dc-solar trailers that some of us here have acquired. I have one. https://www.theatlantic.com/magazine/archive/2023/06/dc-solar-power-ponzi-scheme-scandal/673782/ Some interesting new info. I do question the one fact where the IRS valued the product at only...

https://electrek.co/2023/11/17/worlds-largest-single-site-solar-farm/ The 2-gigawatt (GW) solar farm is 22 miles (35 km) from Abu Dhabi and features almost 4 million bifacial solar panels. It will power nearly 200,000 homes and eliminate over 2.4 million tonnes of carbon emissions annually...

A report from Ernst & Young shows that despite inflationary pressures, solar remains the cheapest source of new-build electricity. https://pv-magazine-usa.com/2023/12/07/solar-levelized-cost-of-electricity-is-29-lower-than-any-fuel-fossil-alternative/

https://www.canarymedia.com/articles/clean-energy/chart-nearly-all-new-us-power-plants-built-in-2024-will-be-clean-energy Renewables, batteries and nuclear will add up to 96% of all new power capacity constructed this year, per federal data.

https://newscenter.lbl.gov/2024/05/06//groundbreaking-microcapacitors-could-power-chips-of-the-future/ Scientists from MIT and University of California have achieved record-high energy and power densities in microcapacitors, they store 9x as much energy and provide 170x the power than best...

Just read this article and was impressed by the numbers: https://electrek.co/2023/08/13/solar-us-ira/

https://time.com/6565415/rooftop-solar-industry-collapse/ A decade ago, someone knocking on your door to sell you solar panels would have been selling you solar panels. Now, they are probably selling you a financial product—likely a lease or a loan. In late 2023 alone, more than 100...

The International Energy Agency says there’s no turning back in the global shift to clean energy. With renewables now the cheapest power source, solar and wind energy are loosening fossil fuels’ grip on the global economy...

https://pv-magazine-usa.com/2023/12/25/all-i-want-for-christmas-is-one-terawatt-of-solar-deployed-annually/ Solar power growth is currently exponential - with the potential for a terawatt to be deployed annually in just a few years - “No single energy technology ever in history has grown as...

https://www.atlanticcouncil.org/blogs/new-atlanticist/theres-something-odd-about-where-china-is-building-solar-power/ While China’s deployment of solar panels is highly impressive, its actual generation from these assets is much less so. China is apparently deploying scarce solar assets...

https://www.canarymedia.com/articles/solar/the-biggest-solar-plus-storage-project-in-the-us-just-came-online The biggest solar-plus-storage project in the US just came online | The new California installation has nearly 2 million solar panels, more than 120,000 batteries, and an enormous amount...

https://www.bloomberg.com/news/articles/2022-11-10/california-regulators-soften-blow-of-solar-subsidy-rollback?leadSource=uverify%20wall California -- the biggest US solar market -- is poised to overhaul its landmark subsidy for rooftop panels to encourage homeowners to also install batteries...

I moved in this house in June 2016. No solar installed at the house at that point and the usage meter was showing 39735 kWh from the grid had been imported. Installed permitted solar in 2019. Now, in july 2023 both meters (from/to grid reading ) showed the same number: Imported from the grid...

https://electrek.co/2024/01/18/us-govt-opens-22-million-acres-federal-lands-solar/ The Bureau of Land Management (BLM) and the Department of Energy’s National Renewable Energy Laboratory have determined that 700,000 acres of federal lands will be needed for solar farms over the next 20 years...

Calif State Senator Nancy Skinner recently introduced SB233 which mandates cars sold in CA after 2027 to be Vehicle to Grid capable. https://leginfo.legislature.ca.gov/faces/billTextClient.xhtml?bill_id=202320240SB233&search_keywords=vehicle+grid This bill would require that, beginning in...

https://www.nerc.com/comm/RSTC_Reliability_Guidelines/NERC_2022_Odessa_Disturbance_Report%20(1).pdf Executive Summary The ERO Enterprise continues to analyze disturbances that involve the widespread reduction of inverter-based resources in order to identify systemic reliability issues, support...

“Lithium-ion batteries are powerful, and they are used everywhere, from electric vehicles to electronic devices. However, their capacity gradually decreases over the course of hundreds of charging cycles. The best commercial lithium-ion batteries with electrodes made of so-called NMC532 and...

Just got this email from Enphase as a certified installer: I can assume they want to milk the cow. So I clicked on the rates: Wow...

https://www.euractiv.com/section/energy-environment/news/great-news-eu-hails-discovery-of-massive-phosphate-rock-deposit-in-norway/ A massive underground deposit of high-grade phosphate rock in Norway, pitched as the world’s largest, is big enough to satisfy world demand for fertilisers, solar...

https://wwmt.com/news/local/natron-energy-sodium-ion-battery-technology-manufacturer-holland-michigan-plant-watts-lithium-industry-back-up-power-generator "Compared to the lithium-ion battery, the sodium-ion charges faster and lasts longer" =======================...

https://electrek.co/2024/02/23/texas-just-got-an-enormous-1-1-million-panel-solar-farm/ Classic Texas Mock something, blame it for your problems, then quietly find a way to make a bunch of money with it 🤑

https://pv-magazine-usa.com/2023/09/28/solar-module-price-falling-with-no-end-in-sight/

I have bought too many of these panels from a company that took them down to re-roof and put more modern panels on the roof. I simply don't have the space to put them up (I wish I had) These panels were made in November 2002 so close to 20 years old. I have several in use and see 110 watt...

https://www.ecowatch.com/china-new-solar-capacity-2023.html China Installed More Solar Panels Last Year Than the U.S. Has in Total

https://www.cnet.com/home/energy-and-utilities/why-the-cost-of-solar-panels-will-likely-keep-falling/ Why the Cost of Solar Panels Will Likely Keep Falling The Inflation Reduction Act's clean energy incentives have set the solar industry up for a boom.

https://energyathaas.wordpress.com/2023/04/17/whos-afraid-of-retail-electricity-rate-reform/ Who’s Afraid of Retail Electricity Rate Reform? California just moved one step closer to changing the way households pay for electricity. If all goes according to these newly proposed plans...

I have been looking at the luxpower/eg4 18kPV12k inverter hookup schematics and I don't get the example with the supply side hookup; Page 33 of the eg4 2.1 version manual: I erased some of the information that is imo not relevant. The setup is currently: the manual transfer switch is set to...