Groups sue FERC over MISO, SPP fast-track interconnection programs

The groups contend the Midcontinent Independent System Operator and Southwest Power Pool’s processes give undue advantage to fast-tracked projects and will lead to higher residential ratepayer costs.

By Ethan Howland • Nov. 19, 2025

Winter peak demand is rising faster than resource additions: NERC

Batteries and demand response make up the bulk of new resources heading into this winter, the North American Electric Reliability Corp. said Tuesday. Following capacity changes in some markets, wind resources declined.

By Robert Walton • Nov. 19, 2025

Explore the 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

Peak Energy deal marks progress for sodium-ion batteries in US

The Denver-based technology company said it would deliver up to 4.75 GWh by 2030 to Jupiter Power, an independent power producer focusing on energy storage.

By Brian Martucci • Nov. 18, 2025

Groups sue FERC over its approval of SPP’s capacity accreditation plan

The Natural Resources Defense Council and the Sierra Club contend the Southwest Power Pool’s accreditation methodologies improperly favor fossil-fueled power plants.

By Ethan Howland • Nov. 18, 2025

Data center volatility, batteries and the electric grid’s new reality

Every data center is about to play a role in grid stability whether it wants to or not, writes TerraFlow Energy’s Amanda Simonian.

By Amanda Simonian • Nov. 14, 2025

Reshoring, technology diversification are reshaping the future of energy storage

Diversifying battery technologies offers a sustainable path to resilience and supply chain strength, writes Jeremy Furr, senior vice president of strategic sourcing at Stryten Energy.

By Jeremy Furr • Nov. 13, 2025

Tribes, conservation groups urge FERC to uphold veto policy on preliminary hydro permits

The U.S. Department of Energy wants the Federal Energy Regulatory Commission to stop giving tribes and federal agencies veto power over preliminary permit applications for projects on their land.

By Ethan Howland • Nov. 13, 2025

Sunrun sees 400% growth in virtual power plant participation

The company says battery attachment rate is 70% for new customers in the third quarter of 2025, up 10 percentage points from last year.

By Brian Martucci • Nov. 10, 2025

How we talk about next-gen electric vehicles matters for key regulations

To reduce the administrative burden on all parties, regulators and utilities must explicitly distinguish between an EV that is merely “capable” of bi-directional charging and one that is actively enabled, writes Bill Crider of Ford Motor Co.

By Bill Crider • Nov. 10, 2025

PSEG could offer lower rates to New Jersey’s incoming governor: equity analysts

Public Service Enterprise Group is ready to work with the new administration to keep rates down and find ways to add power supplies in the state, PSEG CEO Ralph LaRossa said.

By Ethan Howland • Nov. 6, 2025

Why this little-known metric will decide the value of future energy resources

The declining effective load carrying capability of short-duration batteries creates a planning dilemma for utilities, writes Fourth Power CEO Arvin Ganesan.

By Arvin Ganesan • Nov. 5, 2025

Xcel proposes doubling battery storage at Minnesota coal plant

Xcel Energy asked the Minnesota Public Utilities Commission for authorization to boost energy storage at its Sherco plant to 600 MW.

By Robert Walton • Nov. 4, 2025

Dominion says largest US offshore wind project on track

The 2.6-GW Coastal Virginia Offshore Wind project is set for completion by the end of 2026 despite vessel delays, the utility company said Friday.

By Brian Martucci • Nov. 4, 2025

The era of ‘free’ excess renewable energy is over

With rising energy demand, wasting power will soon be an unaffordable luxury. High-efficiency long-duration energy storage is key to achieving both our climate goals and economic viability.

By Thomas Sisto • Nov. 3, 2025

DTE inks first data center deal to grow electric load 25%

The utility has a five-year, $30 billion investment pipeline to potentially serve 8.4 GW of data center load, officials said Thursday.

By Robert Walton • Oct. 30, 2025

Are sodium-ion batteries finally ready to compete with lithium?

Proponents say sodium-ion batteries degrade more slowly, operate more efficiently and have lower fire risk. But high-profile failures cloud the U.S. market while China moves aggressively to develop the technology. 

By Brian Martucci • Oct. 28, 2025

Why fuel cells are redefining on site power for data centers

Power access is the defining constraint of data centers, particularly those supporting AI workloads.

Oct. 27, 2025

The week in 5 numbers: The electricity price report everyone is talking about

Plus utility identity fraud, turbine backlogs and more.

By Meris Lutz • Oct. 24, 2025

$1.6B in clean energy investments were rolled back in September: E2

More than $24 billion in clean energy investment has been withdrawn so far this year, according to E2. The group said $11 billion in new projects were announced over the same period.

By Diana DiGangi • Oct. 23, 2025

Gas reliance will worsen the energy affordability crisis

Utilities and regulators should consider other options before investing in gas plants and making customers pay the inflated price, writes Cassady Craighill, technical education director at GridLab.

By Cassady Craighill • Oct. 23, 2025

PJM poised to add more storage following surplus interconnection reform

The grid operator’s new fast-track interconnection review is dominated by gas but also includes about 2.3 GW of storage projects that could be online much sooner.

By Ethan Howland • Oct. 23, 2025

US energy storage market looks resilient amid global growth: BNEF

Despite new foreign sourcing restrictions, reduced policy and trade uncertainty has brightened the outlook for U.S. storage players, the energy research firm said Monday.

By Brian Martucci • Oct. 21, 2025

DOE cancels $700 million in battery and manufacturing project grants

A DOE spokesperson said the projects had missed milestones and would not provide a positive return on investment of taxpayer dollars.

By Diana DiGangi • Oct. 21, 2025

ISO New England launches cluster study of 26 battery, wind and solar projects

The projects have a combined summer rated capacity of about 8 GW. The transitional cluster study is the first under a new review framework and is expected to be completed in August 2026.

By Robert Walton • Oct. 21, 2025

Portland General Electric invests in AI-powered flexibility to speed data center connection

The utility is working with startup GridCARE to help data centers plug into transmission-constrained grids without waiting for new infrastructure, executives said.

By Brian Martucci • Oct. 20, 2025