Energy Storage

The Obama administration’s first installment in the Quadrennial Energy Review (QER) drew a variety of responses in its first public hearing before the Senate Energy and Natural Resources Committee on April 28. Chairman Lisa A. Murkowski (R-Alaska) opened the hearing with a nod to the still-in-limbo Keystone XL pipeline. She noted that though the QER […]

At Tennessee Valley Authority (TVA), repeated generation transitions have marked the giant public power utility’s long history, from hydro, to coal, to nuclear. The latest resource plan points to natural gas, along with renewables and energy efficiency, as the basis for the agency’s generating future. At the Tennessee Valley Authority (TVA), generation transitions are nothing […]

In his May 6 appearance on Comedy Central’s Daily Show, Secretary of Energy Ernest Moniz addressed both the military and civilian energy issues that the Department of Energy is responsible for. His discussion with host Jon Stewart ranged from the recent negotiations with Iran over that nation’s capability to enrich fissile material to domestic energy […]

Unless you’ve been in a cave the last 24 hours (or at least off the internet), you’ve no doubt heard about Tesla’s move into the battery storage field. I attended the event last night and reported on it for POWER in the wee hours afterward. (The announcement came at night so Tesla CEO Elon Musk […]

Ending several months of speculation, electric vehicle firm Tesla Motors officially moved into the energy storage market on April 30 with the announcement that it would begin marketing two new battery products, the home-based Powerwall and the larger, utility-scale Powerpack. Tesla CEO Elon Musk unveiled the two batteries at a flashy ceremony at the Tesla […]

Falling prices and technological improvements have brought battery storage systems into direct competition with traditional distributed generation, demand response, and peaking generation resources. But making one work efficiently and profitably is not just plug and play.   Last fall, Southern California Edison (SCE) had some big decisions to make. The giant utility, which serves 14 […]

California’s burgeoning renewable generation sector, given renewed vigor with a proposed increase in its renewables mandate, means it will need robust energy storage capacity going forward, said speakers at a session at the Electric Power Conference and Exhibition April 22 in Rosemont, Ill. Much of that storage capacity may be provided by a mammoth combined […]

The U.S. energy infrastructure needs not just substantial investment for the future but also considerable rethinking about its role and functions in order to be positioned to deal with a rapidly changing energy landscape and evolving threats from cyber attack and climate change. That was the message from William F. Hederman, Jr., Department of Energy […]

Southern California Gas Co., the National Renewable Energy Laboratory (NREL), and the National Fuel Cell Research Center (NFCRC) have teamed up to launch the first power-to-gas demonstration projects in the U.S. The two facilities will be located at the NFCRC at the University of California, Irvine and at NREL headquarters in Golden, Colo. Power-to-gas technology […]

Renewable energy development company SunEdison announced on Mar. 25 that it had agreed to purchase up to 1,000 vanadium redox flow batteries totaling more than 100 MW of storage capacity from Imergy Power Systems to be used for community minigrid projects in India. SunEdison, which has an equity stake in Imergy, in January received financing […]