Breckinridge Energy Storage
Breckinridge Energy Storage LLCGarfield County
Breckinridge Energy Storage is a 65 MW battery energy storage facility with four-hour duration (approximately 260 MWh) located in Garfield County, Oklahoma. Developed and owned by Breckinridge Energy Storage LLC, a subsidiary of NextEra Energy Resources LLC, the project provides grid flexibility and helps balance renewable energy resources on a minute-by-minute basis. The facility interconnects at Breckinridge 138 kV Substation via a surplus generator interconnection agreement with Oklahoma Gas and Electric Company and Southwest Power Pool.
EIA plant 68576 · Inventory reporting month unavailable.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| BRKES | Batteries | Operating | 65 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| BRKES | 65 MW 65 MW summer | Batteries Electricity used for energy storage · BA | May 2025 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Project milestones and public references behind the asset profile.
FERC accepted the original surplus interconnection agreement involving NextEra Energy Resources Interconnection Holdings, LLC as surplus interconnection customer, Breckinridge Wind Project, LLC as existing interconnection customer, and Oklahoma Gas and Electric Company as transmission owner. Requested effective date January 8, 2024, per SPP regulatory status report.
EIA-923 reports gross generation and net grid exchange for storage plants. Gross generation is shown as a discharge proxy; it is not a cycle count or conventional capacity factor.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Breckinridge Energy Storage, LLC, Breckinridge Wind Project, LLC, Southwest Power Pool, Inc., and Oklahoma Gas and Electric Company executed the First Revised Surplus Interconnection Service Generator Interconnection Agreement (agreement 4180R1).
Breckinridge Energy Storage entered service and began operations. EIA plant record lists May 2025 as in-service date. Unit BRKES, 65 MW, Batteries technology, status Operating.
SPP filed the revised surplus interconnection agreement in FERC docket ER25-2128, describing the 27-inverter configuration (26 × PE FP3430M at 2.654 MW + 1 × PE FP3430M at 1.77 MW, totaling 70.77 MW assumed dispatch) and requesting an effective date of June 30, 2025.
First Revised Breckinridge Energy Surplus GIA (agreement 4180R1) became effective, per FERC acceptance order ER25-2128-001 issued July 14, 2025.
FERC issued order ER25-2128-001 accepting the revised surplus generator interconnection agreement, effective June 30, 2025. No protests or adverse comments were filed.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Breckinridge Energy Storage reports 65 MW battery storage of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Form 860M.
Breckinridge Energy Storage is a batteries facility in Garfield County, OK, participating in the SPP market.
Breckinridge Energy Storage is in Garfield County, OK, inside the SPP balancing area.
Breckinridge Energy Storage is operated by Breckinridge Energy Storage LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Breckinridge Energy Storage reported 68.4 GWh over the twelve months to 2026-07. For a storage plant this is reported gross generation — a discharge proxy, not a cycle count or a conventional capacity factor.
By capacity, Breckinridge Energy Storage ranks #284 of 1,061 operating plants of the same technology nationally. It ranks #2 of 5 in OK.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.