SPP-GEN-2020-SR2
100 MW storage in Johnston, OK · In queue since August 2020 · Proposed COD March 2026
100 MW
Capacity
1
Components
Battery
6y 2m
In Queue
IA Executed
IA Phase
COD target: 2026
One connected view of the asset's ownership, operating or development evidence, grid context, commercial relationships, history, and forward outlook.
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Total Duration
5y 7m
Schedule
7 months past proposed COD
Study Phase
Surplus; 04 SOUTHEAST
Interconnection request submitted to ISO/RTO
SPP uses the Definitive Interconnection System Impact Study (DISIS) cluster process.
Typical: 36–48 months (improving)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
IA FULLY EXECUTED/ON SCHEDULE
Project under construction
Typical: 6–18 months
Proposed COD: 2026-03-31
SPP-GEN-2020-SR2 is a proposed 100 MW battery energy storage development project located in Johnston County, Oklahoma. The project consists of a single battery storage component with a capacity of 100 MW. No developer name is listed in the available queue data. The project is proposed to connect to the transmission system at the Brown 138kV point of interconnection, within the service territory of OGE (Oklahoma Gas and Electric).
The project is listed as active in the Southwest Power Pool (SPP) interconnection queue, which it entered on August 4, 2020. It is being studied under the "Surplus; 04 SOUTHEAST" study designation, indicating its handling through SPP's surplus interconnection service process. It has requested both Network Resource Interconnection Service and Energy Resource Interconnection Service (NRIS/ERIS). An interconnection agreement has been executed for the project, and its proposed commercial operation date is March 31, 2026.
Generated from interconnection queue and public data sources
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
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State
OK
County
Johnston
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
OGE
Entity
SPP
Service Type
NRIS/ERIS
Point of Interconnection
Brown 138kV
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
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Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. Powered by InfraSure's asset cashflow stack.
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- ISO / RTO
- SPP
- Trading Hub
- SPP South Hub
- Hub Confidence
- HIGH
- POI Substation
- Rex Brown 230kV Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
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