The Duck Curve#long duration storage
Antora plans 5.8 GWh thermal battery at Pratt Energy's Kansas biorefinery
Antora Energy said on October 1, 2026 that it will deploy a 5.8 GWh, multi-day thermal energy storage project at Pratt Energy's ethanol biorefinery in Pratt, Kansas, with deliveries under a long-term heat offtake agreement to start in 2027; Copenhagen Infrastructure Partners led the third-party equity financing, with Grok Ventures and University Pension Plan Ontario participating, and Antora expects over 100 construction and operations jobs. The release gives no dollar amount, contract term, megawatt rating, construction date, or electricity supplier.
Massachusetts awards over $40M for storage at schools, housing and a resort
The Massachusetts Department of Energy Resources said on September 18, 2026 that its Advancing Massachusetts Power grant program awarded funding to 36 projects: 28 planned resilience batteries at schools, housing and other critical facilities, which DOER says will add roughly 10 megawatts, or 44 megawatt hours; six safety and education grants; and two planned long-duration projects, a 4 MW / 80 MWh Inlyte sodium-iron chloride battery at Berkshire East in Charlemont and a 0.24 MW / 2.4 MWh Eos zinc battery at an apartment complex in Medford. The listed awards sum to $40,315,189.
PG&E picks six community microgrids for $30M in second incentive round
Pacific Gas and Electric Company said on September 17, 2026 that it selected six community microgrid projects in the second application window of its CPUC-authorized Microgrid Incentive Program, directing $30 million in awards of $2 million to $6 million each, and that several of the nine first-round awardees are executing grant agreements. Counting the first round at the $43 million the new release states (up to $43 million in the March 2025 release), PG&E puts its authorized community microgrid investment at more than $73 million of a $79.2 million allocation.
Google to buy from 86 MW solar and zinc storage project in West Virginia
MN8 Energy, Eos Energy Enterprises, and Google announced on September 2, 2026 that Google will purchase the energy, capacity, and clean energy attributes of MN8's Mammoth Solar project in Kanawha County, West Virginia: 86 MW of solar, 70 MW/280 MWh of lithium-ion storage, and 10 MW/100 MWh of Eos Z3 zinc-based long-duration storage on a reclaimed coal mine. MN8 expects the solar online in 2028, the lithium-ion in 2029, and the zinc system in 2030, and estimates up to $350 million in capital investment; the West Virginia PSC granted the project's siting certificate on November 24, 2025.
