Austin Energy approves 100‑megawatt, 4‑hour battery contract; location not disclosed

The Electric Utility Commission on July 17 approved a contract for a 100‑megawatt, four‑hour utility‑scale battery project, though staff said the exact site is not yet public as terms are finalized.

Austin Energy officials and the project developer told commissioners the battery is intended to provide capacity for afternoon and evening ramps, carry ancillary services and produce market revenues that help offset capital costs. Michael Langer, vice president for Energy Market Operations, said the project is being sized and contracted to allow monetization of federal investment tax credits under current rules and that the company expects the project to meet domestic‑content thresholds that extend eligibility through 2033.

The contract is one of at least two battery procurements staff are pursuing: Langer said a second contract under development is targeted at about 40 megawatts, so the two projects together would reach roughly 140 megawatts — a level staff said would meet the city’s Generation and Climate Protection Plan goal for local, utility‑scale batteries by 2027.

Public speakers and several commissioners urged a larger or faster deployment. Neighbor Robert Foster urged the commission to “consider proposing more than a 100 megawatts” and said Austin’s public commitments call for 125 MW by 2027. Camille Cook, representing community interests, said she supports the proposal but called for stronger community outreach and “reassuring the surrounding community that they have a voice,” recommending firefighter briefings, open forums and a hotline for questions.

During questions, commissioners pressed staff on siting, safety and economics. Langer said the battery before the commission is sited within Austin’s load zone but that the exact parcel is not yet released while contract terms are negotiated. Staff confirmed the project is being planned as a four‑hour system, which affects how it will be used for grid services, and that contracts typically limit total cycles but allow multiple partial cycles in a day.

On safety and community readiness, staff told commissioners the contract will include provisions reflecting utility best practices and explicitly address fire‑safety measures. Commissioners asked about design features to limit fire spread and whether the project will be broken into sections to limit risk; staff responded that contract terms require good‑industry practices and fire­safety provisions but did not detail specific engineering designs at this meeting.

The commission approved the item without a recorded roll‑call tally. Staff said the project remains contingent on successful interconnection through the utility interconnection queue and that terms, including the precise site, will be disclosed when appropriate. The item will move forward to council for final approval as required by the city’s procurement rules.

Votes and formal approvals on other agenda items were also handled during the meeting; the battery contract was one of several items the commission approved on July 17.