SPP-GEN-2019-002
100 MW storage in Mayes, OK · In queue since November 2018 · Proposed COD November 2027
100 MW
Capacity
1
Components
Battery
7y 11m
In Queue
IA Executed
IA Phase
COD target: 2027
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
9 years
Study Phase
DISIS-2019-001; 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: 2027-11-30
SPP-GEN-2019-002 is a proposed 100 MW battery energy storage project located in Mayes County, Oklahoma. The standalone storage project consists of a single battery component rated at 100 MW. It is planned to connect to the transmission system operated by the Grand River Dam Authority (GRDA) at the Maid 161kV substation, which serves as its point of interconnection. No developer is identified in the available data.
The project is listed as active in the Southwest Power Pool (SPP) interconnection queue, which it entered on November 26, 2018. It was studied in the DISIS-2019-001 cluster within the 04 Southeast study area and has requested Energy Resource Interconnection Service (ERIS). An interconnection agreement has been executed for the project, and its proposed commercial operation date is November 30, 2027.
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
Mayes
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
GRDA
Entity
SPP
Service Type
ERIS
Point of Interconnection
Maid 161kV substation
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
- MEDIUM
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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