Energy Storage

  • Tesla to Install World’s Largest Lithium-Ion Battery Storage Project

    A lithium-ion battery under development by Tesla in South Australia (SA) will be the world’s largest of its type when completed by the end of the year. Through a competitive bidding process, Tesla was

  • Two SCE Gas-Battery Hybrid Projects Revolutionize Peaker Performance

    For deploying a novel, groundbreaking gas-battery hybrid technology along with environmentally significant upgrades within a tight installment window, and despite logistical hurdles, Southern California

  • Collaboration and Innovation Produce a Powerful Microgrid Solution

    The challenge was to take a facility that was far off the grid, and move it forward as an energy self-sufficient complex while also turning an idea into a commercially viable product. That was the impetus

  • Microgrids: An Old Concept Could Be New Again

    Self-contained, small islands of electric generation, storage and distribution inside the existing grid–microgrids–could be the next big thing in electricity. But some argue they may be just another

  • New Jersey Backs Studies for Microgrid Projects

    New Jersey officials this week said the state’s Board of Public Utilities is funding feasibility studies for a series of microgrids across the state that could provide needed power to municipalities at times of critical need, such as after a natural disaster. The board said the idea is designed to further the State Energy Master […]

  • Massachusetts Sets Energy Storage Target, Issues Offshore Wind Proposals

    The Massachusetts Department of Energy Resources (DOER) has set the commonwealth’s much-anticipated energy storage target at 200 MWh to be achieved by January 1, 2020. Last week, it also issued a joint request for proposals for 400 MW of offshore wind energy. The announcements made this week follow an energy bill signed into law by […]

  • European Pumped Storage Plants Are in Crisis

    A number of baseload generators across Europe have decried the fall in average European wholesale power prices, which some peg to additions of subsidized low-marginal-cost renewable generation to an already

  • MISO: Avoiding the Mess Facing Other Wholesale Competitive Electric Markets

    The Midcontinent Independent System Operator’s (MISO’s) geographic footprint extends down the middle of the U.S. Because of the structure of its market, MISO has artfully avoided some nasty policy and

  • The Latest in Thermal Energy Storage

    As renewables gain a greater foothold in the energy system, the importance of energy storage is going to increase in kind. With the ongoing gradual shift away from traditional baseload energy sources, the

  • POWER Digest (June 2017)

    India Joins IEA as an Association Country. India joined the International Energy Agency (IEA) as an association country on March 30, marking a significant move for the country into global energy affairs. The

  • SCE, GE Debut Battery-Gas Turbine Hybrid System

    Southern California Edison (SCE) put online the world’s first battery–gas turbine hybrid system on March 30 in Norwalk, Calif., pioneering a new direction in the way power could be generated and stored

  • Wärtsilä Acquires Major Energy Storage Player

      Finnish technology firm Wärtsilä has acquired Greensmith Energy Management Systems, a firm that specializes in energy storage optimization and integration software, for an undisclosed amount. Greensmith, which has designed and deployed more than 180 MW of energy storage at 50 sites globally, has developed a software platform, GEMS, which optimizes the performance of energy […]

  • Trends Suggest New Directions for Global Hydropower

    While hydropower installations worldwide fell slightly in 2016 to 31.5 GW compared to 33 GW in 2015, the sector marked a colossal jump in pumped storage installations last year, the International Hydropower

  • Battery Storage Goes Mainstream

    Grid-connected batteries have long been touted as a tantalizing prospect that could help balance electricity supply and demand as the amount of installed variable renewable generation ramps up. New

  • Maryland Passes Energy Storage Tax Credit

    Maryland on April 10 became the first state in the nation to pass legislation enacting a tax credit for residential and commercial energy storage installations. The measure passed unanimously in the state Senate, and with a 101–11 vote in the House. Gov. Larry Hogan (R) is expected to sign SB 758 into law. The bill […]

  • Commodity Price Volatility Is Prime Concern Among Global Energy Leaders

    An April 6–issued report released by the World Energy Council suggests that the single biggest worry among global energy leaders is commodity price volatility. Prices appear to be a big concern because of the “Grand Energy Transition” toward de-carbonization. Leaders in resource-holding countries, such as Saudi Arabia, are anxious about long-term economic models, if prices […]

  • A 100% Renewable Grid: Pipe Dream or Holy Grail?

    The boom in renewable energy, spurred by dramatically falling costs, has led some experts and political figures to begin talking seriously about what was once science fiction: A world powered entirely by renewable generation. But is it truly feasible or economic? One series of studies suggests it is—with some important caveats. In the first half […]

  • SDG&E Unveils World’s Largest Li-Ion Storage Battery

    California utility San Diego Gas & Electric (SDG&E) on February 24 officially put into service what is currently the largest lithium-ion storage battery in the world, wrapping up a fast-track procurement process that began less than a year ago. The 30-MW, 120-MWh system (Figure 1) supplied by AES Energy Storage and located in Escondido about […]

  • Solar-Plus-Storage Could Increase Consumption and Emissions, Study Suggests

    Pairing energy storage with rooftop solar photovoltaic (PV) systems has been widely touted as the path for greater deployment of renewable energy, but a new study from researchers at the University of Texas suggests doing so may actually increase overall energy consumption and emissions. The study, “The Impacts of Storing Solar Energy in the Home […]

  • DOE’s Quadrennial Review: 8 Trends That Are Shaping the U.S. Electric System

    Beyond major reliability events that have prompted regional blackouts in the past, the U.S. grid faces “imminent danger from cyber attacks,” warns the second installation of the Obama administration’s Quadrennial Energy Review (QER). Here are other key trends outlined in the comprehensive study of the nation’s electricity system. The QER, available on the DOE web site, identifies the threats, […]

  • Energy Policy Implications of Elections in France and Germany

    Just as the election of Donald J. Trump could result in redirected energy policy in the U.S., 2017 elections in France and Germany could reshape plans for electricity infrastructure on the European continent. Also on both continents, some factors and trends will be out of elected officials’ control. “Difficult to see. Always in motion is […]

  • A Look Back at 2016: The Year of Transition

    A tumultuous election year that was marked by market turmoil, the events of 2016 clearly showed that big change is afoot for the power sector. Many of POWER‘s bold predictions for 2016, such as that the near-simultaneous surge in U.S. natural gas production and recent enactment of environmental rules would reshape the U.S. power sector, […]

  • FERC Proposes Rule Changes on Interconnect, Fast Start

    The Federal Energy Regulatory Commission (FERC) on December 15 proposed reforms to its large generator (20 MW or more) interconnection processes. The notice of proposed rulemaking (or NOPR in FERC-speak) would revise FERC’s 2003 pro-forma large generator interconnection procedures and agreement. At the FERC meeting approving the proposed rule, FERC Chairman Norman Bay said, “Much […]

  • Tanzanian Village Gets Mini-Grid with Unique Business Model

    French multinational power company ENGIE on October 20 inaugurated a mini-network comprising 16 kW of solar photovoltaic panels, a 45-kWh lithium-ion battery bank, and a back-up genset to supply power to Ketumbeine, a village in northern Tanzania with about 800 residents. The PowerCorner project (Figure 6) was launched in early 2015. ENGIE said the project […]

  • TOP PLANT: Crescent Dunes Solar Energy Project, Tonopah, Nevada

    Owner/operator: SolarReserve Three-and-a-half hours north of Las Vegas, in a rocky, desolate stretch of Nevada desert, an innovative solar-storage plant has nearly completed a year of commercial operations. It also may have delivered proof of round-the-clock dispatchable solar energy. The Crescent Dunes Solar Energy Project, a concentrating solar power (CSP) plant built by Santa Monica, […]

  • Utilities Grapple with Storage Integration

    As energy storage becomes more ubiquitous and projects grow in size and capacity, utilities of all types are exploring the best ways of putting it to use across the grid. The opportunities are large, but so are the challenges, according to a panel of executives who spoke at Energy Storage North America in October. New […]

  • Lithium Ion Batteries Account for 83 Percent of Newly Announced Energy Storage System Capacity, According to Navigant Research

    Adoption of distributed energy storage systems, flow batteries, and hybrid battery systems is also growing, report finds November 09, 2016 05:15 AM Eastern Standard Time BOULDER, Colo.–(BUSINESS WIRE)–A new report from Navigant Research examines global energy storage projects, providing a database of more than 1,200 projects encompassing more than 43,000 individual systems, with an analysis of regional […]

  • Elon Musk: ‘The Future Is Bright for Utilities’

    Although many observers consider Elon Musk—the visionary entrepreneur who leads Tesla Motors and SpaceX—to be a disruptive force threatening the conventional power industry, he believes power companies have a bright future, if his goal to expand the use of electric cars and install vast numbers of rooftop solar systems is achieved. Speaking during a presentation […]

  • Moniz: Eight Critical U.S. Nuclear Power Issues That Should Be Addressed Now

    Nuclear power’s future—and its much-needed contribution to U.S. decarbonization efforts—may be hampered if eight pressing issues aren’t addressed within the next five years, U.S. Energy Secretary Ernest Moniz said at a recent event held at the Center for Strategic and International Studies. The issues Moniz outlined in his keynote speech at a six-hour event titled […]