Dominion Energy turns to lithium-ion battery alternatives as it builds out offshore wind, solar fleet

A proposed project would test two storage technologies: Form Energy’s iron-air batteries and Eos Energy’s zinc-hybrid batteries.

By Kavya Balaraman • Sept. 22, 2023

BASF, Nanotech Energy team up to produce lithium-ion batteries with recycled metals

The companies will also work with American Battery Technology Co. and Toda Advanced Materials to build a North America-based battery value chain.

By Sara Samora • Sept. 20, 2023

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

KORE Power, Nidec sign 2.2 GWh deal amid focus on domestic energy storage manufacturing

KORE Power will provide Nidec North America with up to 600 MWh of lithium-ion battery cells, modules and racks in 2024.

By Kavya Balaraman • Sept. 19, 2023

Emerging firm and peaking clean energy tech can slash carbon-free power costs: Google

Corporate clean-energy buyers can help commercialize emerging technologies like next-gen geothermal, carbon capture and storage, advanced nuclear, hydrogen and long-duration storage, Google said.

By Ethan Howland • Sept. 15, 2023

MISO: 49 GW has received interconnection approval, but projects face major delays

The roughly two-year delays in building generation and storage come as the Midcontinent Independent System Operator faces looming capacity shortfalls.

By Ethan Howland • Sept. 14, 2023

Tripling virtual power plant capacity by 2030 could save $10B, meet 20% peak demand: DOE

With electric vehicles and other distributed resources surging, virtual power plants may be at an inflection point, the Department of Energy said Tuesday.

By Ethan Howland • Sept. 13, 2023

Geothermal energy storage is cost competitive with lithium-ion batteries, pumped hydro: pilot

While the pilot tested the technology for up to 18 hours of storage, Sage Geosystems is confident it could operate on a weekly cycle, or even provide seasonal storage, CEO Cindy Taff said. 

By Kavya Balaraman • Sept. 13, 2023

EPA’s proposed carbon rules omit both the peaker problem and the peaker solution

The EPA completely overlooked co-located battery storage as a “best system of emissions reduction” in its latest proposal to reduce carbon emissions from fossil-fueled power plants.

By Shelley Robbins • Sept. 12, 2023

ESS delivers 3 MWh iron flow battery systems to Sacramento utility as part of larger 2 GWh deal

The technology’s 10- to 12-hour duration was an important factor, a Sacramento Municipal Utility District official said.

By Kavya Balaraman • Sept. 12, 2023

As Google, Meta eye clean energy buys, researchers find widely used strategy has scant carbon benefits

Compared with annual matching, 24/7 green power procurements can drive “significant” cuts in carbon emissions and spur emerging technologies like long duration storage, Princeton University researchers found.

By Ethan Howland • Updated Sept. 13, 2023

Salt River Project taps Germany’s CMBlu Energy to develop 5-MW, 10-hour storage project

The Electric Power Research Institute will support performance monitoring of the project and “help validate the real-world performance of the technology in Arizona’s hot and dry climate,” SRP said.

By Robert Walton • Sept. 5, 2023

How flexibility redefines utility battery investment strategies

With renewable penetration and electrification on the rise, flexible assets that can adapt and shift duty cycles are getting utilities’ – and the DOE’s – attention.

By Matt Harper, Chief Commercial Officer, Invinity Energy Systems • Sept. 5, 2023

Eos Energy lands $400M DOE conditional loan guarantee for long-duration battery plant

Eos — with a $9.7 billion, 37 GWh project pipeline — expects a Department of Energy loan guarantee will spur customer interest in its long-duration battery systems.

By Ethan Howland • Sept. 1, 2023

Peregrine Energy bags $700M financing agreement to fund 7 GW storage and renewables pipeline

The funding will help Peregrine bring its project portfolio into operation and enable the firm to capture market arbitrage opportunities and expand into new areas, the company said

By Kavya Balaraman • Sept. 1, 2023

Vermont PUC lifts caps on Green Mountain Power battery storage programs with Tesla, others

Demand for GMP’s Tesla-based and “bring your own device” energy storage programs has outstripped annual caps in the wake of winter storms and summer floods.

By Ethan Howland • Aug. 29, 2023

France’s Engie to buy battery storage in Texas, California from Broad Reach Power

The deal includes 350 MW of operating grid-scale battery storage and another 880 MW under construction, primarily in the Electric Reliability Council of Texas territory.

By Robert Walton • Aug. 29, 2023

Focusing on hardware to stop fires at energy storage projects

Prioritizing energy storage systems’ IP rating, cooling systems and surge protection mechanisms—within a broader, integrated fire safety strategy—manufacturers can ensure the reliability and safety of their projects.

By Dewei Guan, Mechanical Engineer, Product Development, Wärtsilä ES&O and David Frye, Engineering Manager, Electrical Design, Wärtsilä ES&O • Aug. 28, 2023

American Clean Power asks FERC to hold conference on capacity accreditation

Improving the patchwork approach to measuring the reliability value of power plants, energy storage and other resources would bolster the grid, according to the trade group.

By Ethan Howland • Aug. 25, 2023

2 Tesla virtual power plants cleared to provide energy to Texas electric grid

The pair of aggregated Powerwalls are the first of eight virtual power plants participating in an Electric Reliability Council of Texas pilot project.

By Robert Walton • Aug. 24, 2023

Closed-loop pumped hydro storage tech least likely to contribute to global warming: NREL

The analysis examines the global warming potential of different technologies that provide both short-duration and long-duration energy storage.

By Kavya Balaraman • Aug. 22, 2023

Expanding your solar business? Here are 4 questions you have to answer about home battery storage

Learn how to answer common questions so you can facilitate solar adoption and grow your customer base.

Aug. 21, 2023

New York bets on long-duration energy storage with $15M award to Form Energy, others

Form Energy’s project will be the first demonstration of its technology in New York and the only multi-day battery storage project in the state.

By Kavya Balaraman • Aug. 19, 2023

DOE lab develops new models to address inverter faults, avoid grid disruptions

Electromagnetic transient domain analysis may be key to stopping inverter-based resources from tripping offline or reducing output in response to grid events, according to research from Oak Ridge National Laboratory.

By Robert Walton • Aug. 18, 2023

GM invests $60M in Mitra Chem to develop low-cost EV batteries

Mitra Chem says its technology can reduce electric vehicle battery development times by 90%.

By Eric Walz • Aug. 17, 2023

IRA drives $12.4B into US storage as investments ‘juice’ an already strong market: Freyr exec

Since the Inflation Reduction Act passed, 210 major new clean energy projects have been announced, which have the potential to drive up to $86.3 billion in private investment, says E2. 

By Diana DiGangi • Aug. 15, 2023