Wind, solar deliver stunning 98 percent of new U.S. power capacity in January, February

Renewables to provide 69 percent of new capacity by March 2021, as dozens of coal plants are retired By JOE ROMM on Climate Progress APR 24, 2018 WIND TURBINES AND SOLAR PANELS IN CALIFORNIA, 2013. CREDIT: KEVORK DJANSEZIAN/GETTY IMAGES Solar and wind power was responsible for a remarkable 98 percent of all new U.S. power generation capacity that came online in the first two …

Supercapacitor-based energy storage for microgrids avoids over-sizing. Micro-grid engineering becoming a macro profession.

Supercapacitor-based energy storage, on the other hand, is much simpler. This technology stores energy on the surface of the electrolyte, which means there is no chemical reaction. “Electrical energy comes in and is stored as electrical energy. It releases electrical energy back into electricity when discharged,” Ghani explained.   Still supercapacitor-based energy storage hasn’t been used before because it has its …

Half of island without power, but Puerto Rico generation back up to 72%, as microgrid rules are released

GTM Jan 8 2018 Puerto Rico Energy Commission Lays Out Rules for a Future Microgrid Landscape With power restored for just about half of the island’s residents, and 1.5 million still without power, regulators look toward a remade grid. By EMMA FOEHRINGER MERCHANT  Cleanup and electricity restoration efforts in Puerto Rico are ongoing. The Puerto Rico Energy Commission unveiled 29 pages of proposed …

Building and rebuilding efficiently and for resilience

Getting cities right can yield major dividends. For instance, research has shown that investing in compact, connected, and efficient cities could substantially reduce greenhouse gas emissions by 3.7 Gt CO2 per year by 2030 and generate savings of as much as US$17 trillion by 2050. But many national governments fail to recognize the importance of investing in sustainable urban infrastructure, continuing …

Puerto Rico wants to upgrade its infrastructure, waits for the lights to come back on

Can Puerto Rico Overcome a Colonial Past to Build a Greener Grid? Puerto Rico’s history of intervention and mismanagement created a financially disastrous backdrop for Hurricane Maria. By John Farrell, 6 Nov 2017, GTM Puerto Rico Capitol Building in downtown San Juan. On September 20, Hurricane Maria swept across Puerto Rico, destroying its electricity grid. The storm felled half of …

sonnen is creating “virtual power stations” by connecting energy storage systems, renewable energy power plants, and consumers to allow prosumers to buy and sell electricity among each other

August 5th, 2017 by Zachary Shahan on Clean Technica Highly regarded battery storage firm sonnen was one of the big winners of the 2017 Zayed Future Energy Prize, winning in the Small and Medium Enterprises (SME) category. I interviewed sonnen CEO and co-founder Christoph Ostermann in January just after the company won the prize. It was a fun interview because of how futuristic sonnen’s vision is and …

The 2018 Zayed Future Energy Prize (ZFEP) finalists in the Small and Medium Enterprise (SME), Nonprofit categories have just been announced

28 October 2017 by Zachary Shahan on Clean Technica The 2018 Zayed Future Energy Prize (ZFEP) finalists in the Small and Medium Enterprise (SME), Nonprofit, and Global High Schools categories have just been announced. The next step in the ZFEP evaluation process is that the ZFEP Jury, led by Ólafur Grímsson, the 5th President of the Republic of Iceland, will debate the merits and limitations of …

Flywheels help Alaska’s remote microgrids go to 95% renewable energy

15 Oct 2017 NPR  Seafood processors like Ocean Beauty are some of the largest energy consumers in Kodiak, Alaska, which has generated more than 99 percent of its electricity from renewable sources since 2014. Here, the Ocean Beauty seafood plant. Eric Keto/Alaska’s Energy Desk This archipelago in the Gulf of Alaska is home to one of the busiest commercial fishing …