How big is Breckinridge Energy Storage?

Breckinridge Energy Storage has a reported capacity of 65 MW. Source: EIA Form 860M.

What kind of plant is Breckinridge Energy Storage?

Breckinridge Energy Storage is a batteries facility in Garfield County, OK, participating in the SPP market.

Where is Breckinridge Energy Storage located?

Breckinridge Energy Storage is in Garfield County, OK, inside the SPP balancing area.

Who operates Breckinridge Energy Storage?

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.

How much electricity does Breckinridge Energy Storage generate?

Breckinridge Energy Storage reported 71 GWh over the twelve months to 2026-04. For a storage plant this is reported gross generation — a discharge proxy, not a cycle count or a conventional capacity factor.

How does Breckinridge Energy Storage compare to other plants?

By capacity, Breckinridge Energy Storage ranks #248 of 962 operating plants of the same technology nationally. It ranks #2 of 5 in OK.

Ask the Grid

/

Breckinridge Energy Storage

Breckinridge Energy Storage LLC - Garfield County - SPP

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.

Website Open in grid

Loading map…

SPP · Asset profile

Ask about Breckinridge Energy Storage

Answers use this researched asset profile with live SPP data. Ask about ownership, equipment, project history, or current grid context.

Try

Connect your own data

Live SPP public data · answers can be wrong, verify against source data or the ISO.

Breckinridge Energy Storage — 65 MW battery storage, OK · Ask the Grid

Overview

Nameplate capacity: 65 MW
Canonical EIA plant baseline.
Registry anchor: Plant 68576
plant-68576

Structured profile

Technology: Batteries
Operator: Breckinridge Energy Storage LLC

Related assets

Similar plants ranked by technology, capacity, and distance.

Minco II Energy Storage

Batteries · 65 MW

Grady County

Same typeComparable scale80 mi away

Compare with this plant

Woodward Energy Storage

Batteries · 40 MW

Woodward County

Same type90 mi away

Compare with this plant

Units and generators

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

Performance

Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.

Peer context

Technology capacity: 65 MW
National rank: #248
OK rank: #2

Monthly generation

Download CSV

Latest 12 months

71 GWh

Reported gross generation

Latest report

Apr 2026

EIA-923 monthly filing

Grid and market context

Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.

Nearby substations

HIFLD infrastructure inventory

UNKNOWN156953

IN SERVICE · 138 kV

0.7 km

TAP149210

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Transactions and agreements

Regulatory Acceptance

Dec 20, 2023

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.

Southwest Power Pool, Inc. · Federal Energy Regulatory Commission · NextEra Energy Resources Interconnection Holdings, LLC · Breckinridge Wind Project, LLC · Oklahoma Gas and Electric Company

spp.org

Contract Execution

Apr 9, 2025

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, LLC · Breckinridge Wind Project, LLC · Southwest Power Pool, Inc. · Oklahoma Gas and Electric Company

spp.org

Regulatory Filing

May 1, 2025

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.

Southwest Power Pool, Inc. · Federal Energy Regulatory Commission

spp.org

Commercial Operation

May 2025

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.

Breckinridge Energy Storage, LLC

uspowergauge.com

Regulatory Acceptance

Jun 30, 2025

First Revised Breckinridge Energy Surplus GIA (agreement 4180R1) became effective, per FERC acceptance order ER25-2128-001 issued July 14, 2025.

Southwest Power Pool, Inc. · Federal Energy Regulatory Commission · Breckinridge Energy Storage, LLC

spp.org

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOrganizationMarket / regulator

Parties and identifiers

Organization

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Dec 20, 2023
Dec 20, 2023
Original surplus interconnection agreement acceptedspp.org
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.
Apr 9, 2025

Breckinridge Energy Storage

Ask about Breckinridge Energy Storage

Breckinridge Energy Storage

Ask about Breckinridge Energy Storage

Overview

Structured profile

Related assets

Minco II Energy Storage

Woodward Energy Storage

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Nearby substations

Commercial, land, and environmental record

Transactions and agreements

Related parties and identifiers

Relationship graph

Parties and identifiers

Timeline and sources

Project timeline

Rush Springs Energy Storage (BA)

Skeleton Creek Energy Center Hybrid

Westside Wastewater Treatment Plant Hybr

Noland Wastewater Treatment Plant Hybrid

Reporting portfolio

Sources

Common questions about Breckinridge Energy Storage

How big is Breckinridge Energy Storage?

What kind of plant is Breckinridge Energy Storage?

Where is Breckinridge Energy Storage located?

Who operates Breckinridge Energy Storage?

How much electricity does Breckinridge Energy Storage generate?

How does Breckinridge Energy Storage compare to other plants?

Co-located assets