How Sweden Is Transforming Homes Into Power Stations

One example is in the city of Ludivika where 1970s flats have recently been retrofitted with the latest smart energy technology. 48 family apartments spread across 3 buildings have been given photovoltaic solar panels, thermal energy storage and heat pump systems. A micro energy grid connects it all, and helps charge electric cars overnight. The result is a cluster of ‘prosumer’ …

Dropping battery costs

From Climate Home News, 30 July 2020 – The model developed by Viswanathan and his colleagues shows that battery packs are on track to cost less than $80 per kilowatt-hour by 2025, a projection in line with leading forecasts, like that from BloombergNEF (You can read more about their model in a 2017 journal article and in a recent post …

Battery Powered Trains will be 35% Cheaper Than Hydrogen, Study Concludes: Plus the price of batteries keeps dropping

Oliver Cuenca of International Railway Journal reports that the battery-powered trains cost 35% less to buy and operate than hydrogen trains. The batteries don’t have to be replaced as often as fuel cells, either, so maintenance costs will be lower. If the trains operate during the daytime, they can be charged at night with the same cheap electricity, just like people …

Electric cars What the million-mile battery means for electric cars

The Economist It is mainly about greater reliability Science & technology Aug 1st 2020 edition As every mobile-phone owner knows, after a year or so the battery starts to fade and the beast needs recharging more frequently. That is a nuisance, but a phone’s batteries can be replaced fairly cheaply—or the whole handset traded in for the latest model. An electric car, …

Energy storage set to compete in US wholesale markets following landmark ruling

By Andy Colthorpe, Jul 13, 2020,  0 Distributed energy storage facilities in the US are set to join wholesale markets and compete to provide grid services after what’s described as the “single most important act” for the energy transition so far. The United States Court of Appeal in the District of Columbia ruled last week against petitioning from the National Association …

Renewables+Storage operating as virtual power generation get more renewables on the grid & can provide demand response automatically, eliminating the need for day-ahead planning, respond immediately to price signals, shift loads, or aggregate other distributed energy resources

Renewables + storage, operating as virtual power plants often cover a wider area than microgrids (which also island) and are flexible enough to expand or contract the area in which they operate, depending on market conditions. They serve the main grid, while microgrids don’t always provide services to the main grid. Virtual power plants can get more renewables on the …

‘Million-mile’ batteries are coming. Are they a revolution?

By Maddie Stone on Jul 6, 2020, Grist Electric vehicles (EVs) have a clear environmental advantage over their gas-guzzling counterparts, but when it comes to longevity, the two are in a dead heat. Two hundred thousand miles is considered a good, long run for a car built today, regardless of whether it’s powered by a lithium battery or an internal combustion engine. But if …

Your Home Battery Can Be Part Of A Virtual Power Plant In California (or your school bus can in Virginia)

June 21st, 2020 by Cynthia Shahan, Clean Technica  Sunrun pulls in customers with a catchy truth about the unpredictability of life, and electricity. To be sure that your house stays alive with power, even if the grid goes down, Sunrun’s rechargeable solar battery systems are one solution. They can make sure your home’s power stays stable and reliable, which we mostly take …

Battery prices have plummeted since 2010 and are still dropping

Ars Technica, May 2020 In 2010, a lithium-ion battery pack with 1 kWh of capacity—enough to power an electric car for three or four miles—cost more than $1,000. By 2019, the figure had fallen to $156, according to data compiled by BloombergNEF. That’s the result of a virtuous circle where better, cheaper batteries expand the market, which in turn drives investments that …

Already cost-effective, no-regrets actions to get us to 90 percent zero carbon electricity while reducing wholesale electricity costs 10 percent

The technology-neutral policies laid out in this paper are no-regrets actions to get us to 90 percent zero carbon electricity while reducing wholesale electricity costs 10 percent. The United States could deliver 90% clean electricity nationwide by 2035, without the need for new fossil fuel plants, according to a study released today from the University of California, Berkeley — with the right …