SPP-GEN-2017-149
258 MW generation in Johnston, OK · In queue since November 2017 · Proposed COD December 2027
258 MW
Capacity
1
Components
Wind
8y 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
10y 1m
Study Phase
DISIS-2017-002; 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: 18–36 months
Proposed COD: 2027-12-31
SPP-GEN-2017-149 is a proposed 258 MW wind generation project located in Johnston County, Oklahoma. The development project is listed in the interconnection queue of the Southwest Power Pool (SPP), with OGE identified as the interconnecting utility. No developer or project name is identified in the available data. The project is planned to connect to the grid at the Johnson County 345kV Substation and has requested both Network Resource Interconnection Service and Energy Resource Interconnection Service (NRIS/ERIS).
The project entered the SPP queue on November 27, 2017, and remains in active status. It was studied as part of the DISIS-2017-002 cluster within the 04 Southeast study area. An interconnection agreement (IA) has been executed for the project, and its proposed commercial operation date is December 31, 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
Johnston
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
OGE
Entity
SPP
Service Type
NRIS/ERIS
Point of Interconnection
Johnson County 345kV 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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