Energy Storage

  • An aerial view of residential homes, many with solar panels.
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    Mario Tama via Getty Images
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    VPP Convergence Project aims to educate states on virtual power plants

    Tesla, Sunrun, Leap, Voltus and the National Association of Regulatory Utility Commissioners are involved in the effort.

    By • Oct. 15, 2025
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    Courtesy of Dominion Energy
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    PJM Interconnection needs 43 GW of energy storage by 2045: Brattle Group

    A report commissioned by the U.S. Energy Storage Coalition said North America’s largest grid operator needs to rapidly build storage to ensure reliability and mitigate cost increases amid a surge in electricity demand.

    By Brian Martucci • Oct. 14, 2025
  • A battery storage system. Explore the Trendline➔
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    Melissa Sue Gerrits via Getty Images
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    Trendline

    Energy Storage

    The proliferation of energy storage in everything from utility-scale batteries to electric vehicles is a driving force in the transition to a cleaner, more distributed power system. This trendline includes the best Utility Dive reporting on this dynamic sector.

    By Utility Dive staff
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    Honeywell to supply new power solutions for data centers

    Working with industrial automation firm LS Electric, Honeywell will offer AI-driven power management solutions, including battery energy storage systems, to help meet the sector’s energy demand.

    By Joe Burns • Oct. 10, 2025
  • Two large outdoor HVAC units are installed on a concrete platform outside a building. Each unit has a visible circular fan and a rectangular vented casing. The building’s exterior includes gray walls, windows with closed blinds, and a strip of weathered wood paneling. Some grass and concrete blocks are in the foreground.
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    Alamy
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    Opinion

    Why data center operators should pay for residential electrification upgrades

    Upgrading households is the fastest way for hyperscalers to obtain all the electricity they need, writes Ari Matusiak, founder and CEO of Rewiring America.

    By Ari Matusiak • Oct. 10, 2025
  • SRP placed into service a 25-MW battery storage facility called the Bolster Substation Battery System.
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    Courtesy of Salt River Project
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    Salt River Project taps ESS for 50-MWh iron flow battery

    ESS’ stock price doubled in early Friday trading. The pilot project is expected to be online by the end of 2027.

    By • Oct. 10, 2025
  • Dominion Energy headquarters
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    Zach Gibson / Stringer via Getty Images
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    Dominion issues RFP seeking solar, wind and storage PPAs

    Dominion Energy spokesman Aaron Ruby said the company is seeking the power purchase agreements as part of its “‘all of the above’ strategy to serve growing power demand.”

    By • Oct. 9, 2025
  • U.S. Energy Secretary Chris Wright speaks during a television interview outside of the White House
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    Anna Moneymaker via Getty Images
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    Deep Dive

    Grid planners and experts on why markets keep choosing renewables

    “If natural gas was the cheapest option to meet the peak, the markets would select it,” said Sean Kelly, co-founder and CEO of forecast provider Amperon and a former energy analyst.

    By • Oct. 9, 2025
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    Courtesy of PG&E Corp.
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    Hydrogen and batteries power ‘first-of-its-kind’ California microgrid

    Interest in hydrogen fuel cells has grown as data centers and other large-load customers seek alternatives to diesel generators, said Frank Wolak, president and CEO of the Fuel Cell and Hydrogen Energy Association.

    By Emma Penrod • Oct. 7, 2025
  • An EPC substation.
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    Permission granted by Bryan Fairbanks
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    Sponsored by Burns & McDonnell

    Value engineering delivers key benefits on EPC substation projects

    Discover how value engineering delivers cost savings, quality gains, speed and safety on substation projects.

    Oct. 6, 2025
  • U.S. Secretary of Energy Chris Wright speaks at the Conservative Political Action Conference
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    Andrew Harnik via Getty Images
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    The week in 5 numbers: DOE slashes clean energy funding following coal ‘investment’

    Plus PJM’s data center woes, record storage deployment and new generation additions.

    By • Oct. 3, 2025
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    Justin Sullivan via Getty Images
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    Utility conferences to watch in 2026

    See our annual list of notable power-sector conferences where industry leaders will share knowledge in a rapidly-changing landscape. 

    By • Oct. 1, 2025
  • A photo of a solar and storage facility built by Arevon on about 3,000 acres near Cholame, Calif.
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    Courtesy of Arevon
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    US sees record utility-scale storage deployments, but dropoff looms: report

    California, Texas and Arizona accounted for 75% of utility-scale capacity installed during the second quarter, according to Wood Mackenzie and the American Clean Power Association.

    By Brian Martucci • Sept. 30, 2025
  • Solar farm in Ohio.
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    Getty Images
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    Lawmakers urge PJM to take steps so clean energy projects can meet tax credit deadlines

    “Either we have a resource adequacy issue or we don't — and I believe we do — so we need to be getting all of this energy online as quickly as possible,” Maryland Delegate Lorig Charkoudian said.

    By • Updated Sept. 30, 2025
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    Getty Images
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    Sponsored by Bloom Energy

    Bridging the gap: How fuel cells enable utilities to capture new growth

    To bridge gaps in power and position themselves for growth, utilities are turning to fuel cells.

    Sept. 29, 2025
  • A utility-scale battery storage system seen from above
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    Courtesy of Georgia Power
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    Georgia Power seeks 500 MW storage, possibly with renewable component

    The resources should be online in 2028 at the earliest and no later than the end of 2031, the utility said in a draft request for proposals.

    By • Sept. 25, 2025
  • A battery farm at sunrise.
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    Getty Images
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    Battery storage, spared from IRA cuts, poised to grow as power prices rise

    Price arbitrage is an increasingly popular use case for utilities adding energy storage resources, the U.S. Energy Information Administration said Monday.

    By • Sept. 23, 2025
  • An electric power plant with cooling towers and smoke stacks.
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    The image by Analogue Kid is licensed under CC BY 2.0
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    Utilities are backtracking on climate commitments: Sierra Club

    The report named six utility companies reversing course on emissions reductions: Entergy, Duke Energy, Evergy, Cleco, American Electric Power and Arizona Public Service.

    By • Updated Sept. 23, 2025
  • A group of solar panel installers work on a roof.
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    Getty Images
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    Data center demand drives 33% jump in VPP deployments: Wood Mackenzie

    But virtual power plant capacity rose more slowly than deployments last year, highlighting barriers to broader adoption, WoodMac said.

    By Brian Martucci • Sept. 22, 2025
  • Drone aerial view of Microsoft datacenters along highway A7 in the province Noordholland near Wieringerwe.
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    Getty Images
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    Opinion

    AI’s electricity demand is a challenge utilities can’t ignore, but subsidies aren’t the solution

    Utilities need portfolios that balance renewables and natural gas with long-duration storage, writes Stefan Pastine, CEO of semiconductor materials company Thintronics.

    By Stefan Pastine • Sept. 22, 2025
  • In an aerial view, solar panels are seen on the roof of a home on June 03, 2025 in San Anselmo, California.
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    Justin Sullivan via Getty Images
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    California zeroes out funding for world’s ‘largest virtual power plant’

    Advocates say gutting grid reliability programs threatens to undermine the state’s progress.

    By • Sept. 16, 2025
  • Battery energy storage units at a renewable energy facility
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    Permission granted by Wärtsilä
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    Sponsored by Wärtsilä Energy Storage

    Battery safety starts before the first spark

    Battery energy storage is growing rapidly, but safety incidents, such as thermal runaway, remain a critical concern. 

    By Mishaal SyedNaveed, Senior Fire Protection Engineer, Wärtsilä Energy Storage • Sept. 15, 2025
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    Tulane University

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    Thermal power plants more competitive than clean energy when considering reliability: Vistra CEO

    Even so, in the near term Vistra President and CEO Jim Burke expects solar and batteries to do well because they can be built quickly.

    By • Sept. 12, 2025
  • Electric transmission lines running through the woods.
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    Getty Images
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    Complaint over MISO’s $22B transmission portfolio faces widespread opposition

    Granting the complaint from five utility commissions could delay adding power supplies in the Midcontinent region and hurt reliability, according to comments filed at the Federal Energy Regulatory Commission.

    By • Sept. 10, 2025
  • Aerial view of Northern Virginia data centers.
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    Getty Images
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    Batteries, gas generators to supply ‘bridge power’ for Texas data centers

    Prometheus Hyperscale is the latest data center developer turning to on-site generation and storage in the face of years-long grid interconnection queues.

    By Brian Martucci • Sept. 10, 2025
  • An aerial view of an industrial facility on the edge of a town.
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    Courtesy of Salt River Project
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    Google, Salt River Project partner on long-duration energy storage

    The tech giant will provide funding for a portion of long-duration energy storage projects developed for the Salt River Project’s electric grid, the partners announced Monday.

    By • Sept. 10, 2025