Battery Storage

Rondo Energy and Covestro broke ground on a new kind of industrial heat battery at Covestro’s Brunsbüttel chemical site in northern Germany, and it’s designed to do something industry desperately needs: make clean, reliable steam without burning fossil fuels.

Alphabet is buying energy and data center developer Intersect for $4.75 billion in cash, plus the assumption of debt – a clear signal that securing power, not just servers, has become one of Google’s biggest bottlenecks as AI demand explodes.

In what appears to be significant strategic pivot, Samsung SDI will begin supplying prismatic lithium iron phosphate (LFP) batteries for energy storage systems under a fresh US contract worth more than 2 trillion won (~$1.35 billion). The move will see the company shift US EV battery production lines to ESS output ahead of 2027.

Whether it’s to keep the lights on after a natural disaster or just to avoid peak energy rates, more people than ever are adding battery energy storage to their home solar systems — but li-ion batteries aren’t the only option. The new WATT Fuel Cell uses the natural gas connection your home already has to generate power when you need it.

As Texas braces for tighter power margins and record demand on the ERCOT grid, Sunrun and NRG Energy are transforming home batteries into a giant virtual power plant. The two companies are integrating more home battery storage into the grid and tapping those batteries when the state needs power the most.

Ford is jumping into the battery energy storage business, betting that booming demand from data centers and the electric grid can absorb the EV battery capacity it says it’s not using.

To achieve this, Ford plans to repurpose its existing EV battery manufacturing capacity in Glendale, Kentucky, into a dedicated hub for manufacturing battery energy storage systems.

Turning cheap daytime solar into electricity you can actually use at night just got a lot cheaper. A new analysis from energy think tank Ember shows that utility-scale battery storage costs have fallen to $65 per megawatt-hour (MWh) as of October 2025 in markets outside China and the US. At that level, pairing solar with batteries to deliver power when it’s needed is now economically viable.

Iron-sodium battery makers Inlyte Energy just crossed an important line from lab to grid reality. The company has completed a factory acceptance test of its first field-ready iron-sodium battery energy storage system with reps from a major US utility in attendance.

US Energy Information Administration (EIA) data released on November 25 and reviewed by the SUN DAY Campaign reveal that, during the first nine months of 2025 and for the past year, solar and battery storage have dominated growth among competing energy sources, while fossil fuels and nuclear power have stagnated.

Can an EV really help power your home when the power goes out? It’s one of the biggest FAQs people have about electric cars — but the answer can be a bit confusing. It’s either a yes, with a but – or a no, with an unless. To find out which EVs can offer vehicle-to-home (V2H) tech to keep the lights on or even lower your energy bills, keep on reading.

UPDATE 18NOV2025: the Swedes get in the game!

Burlingame, California-based Peak Energy just scored a huge win for sodium-ion batteries. The company announced a multi-year deal with utility-scale battery storage developer Jupiter Power to supply up to 4.75 GWh of sodium-ion battery systems between 2027 and 2030.

Germany is about to become home to Europe’s largest battery storage system – a massive 1 gigawatt (GW) / 4 gigawatt-hour (GWh) project in Jänschwalde, Brandenburg.

Finnish energy giant Wärtsilä has announced the latest addition to its massive network utility-scale battery energy storage system (BESS) projects in Australia: a record-breaking 1.5 GWh deployment that brings the company’s total energy storage capacity in the nation to 5.5 GWh.

Enphase Energy just launched a new off-grid system that lets homeowners power their homes without a utility connection – even for extended periods. The California-based Enphase says the off-grid setup delivers a seamless way to live independently from the grid while still using solar, batteries, and a standby AC generator.

Electricity demand is surging in Texas, and solar, wind, and battery storage are meeting it.

According to new data from the US Energy Information Administration (EIA), electricity demand across the Texas grid managed by the Electric Reliability Council of Texas (ERCOT) hit record highs in the first nine months of 2025. ERCOT, which supplies power to about 90% of the state, saw demand jump 5% year-over-year to 372 terawatt hours (TWh) – a 23% increase since 2021. No other major US grid has grown faster over the past year.

Redwood Materials, founded by former Tesla CTO and cofounder JB Straubel, has raised $350 million in new funding to scale its US-made battery storage systems and critical materials operations. The company is ramping up to meet surging demand from AI data centers and the clean energy sector.

The US clean energy sector took another gut punch in September as businesses scrapped or scaled back nearly $1.6 billion in major factory and clean energy projects, according to the latest monthly analysis from E2 and the Clean Economy Tracker. That brings the total cost of private-sector project cancellations this year to more than $24 billion.

Ocean energy storage startup Sizable Energy just raised $8 million to bring its long-duration offshore pumped hydro system to market.

UK-based Prolectric hopes to make the thrum of diesel generators a thing of the past with the unveiling of its new three-phase ProCharge battery energy storage system (BESS). The ProCharge is a rugged, compact, skid-mounted generator that combines 12 high-wattage solar panels with a massive battery to deliver up to 45 kVA of power wherever it’s needed.

Rondo Energy has begun commercial operations of what it says is the world’s largest industrial heat battery – a 100 MWh system now operating at a Holmes Western Oil facility in California. Powered entirely by an onsite solar array, the system supplies constant high-pressure steam and heat to the plant, demonstrating how renewable energy can directly power heavy industry.

XCharge North America (NA) has opened Oregon’s first solar + storage DC fast charging station at Arrowhead Travel Plaza in Pendleton, part of the Wildhorse Resort & Casino complex owned by the Confederated Tribes of the Umatilla Indian Reservation.