SPP-ERAS-2025-027
250 MW storage in Yoakum, TX · In queue since October 2025 · Proposed COD May 2028
250 MW
Capacity
1
Components
Battery
9 months
In Queue
In Progress (unknown study)
IA Phase
COD target: 2028
Total Duration
2y 7m
Study Phase
ERAS-2025-001; 05 SOUTHWEST
Interconnection request submitted to ISO/RTO
SPP uses the Definitive Interconnection System Impact Study (DISIS) cluster process.
Typical: 36–48 months (improving)
Interconnection agreement not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2028-05-31
SPP-ERAS-2025-027 is a proposed 250 MW battery storage project located in Denver City, Texas. The project is in the Southwest Power Pool (SPP) interconnection queue, with a queue entry date of October 2, 2025. The proposed project is listed as active in the queue and intends to interconnect at the Mahoney 230kV Substation. The utility is Southwestern Public Service (SPS).
The project's service type is listed as ER/NR, indicating it is seeking both Energy Resource and Network Resource interconnection service. The developer is not specified in the available data.
Generated from interconnection queue and public data sources
Realization risk before commercial operation — cluster-study clearance, IA timing, counterparty mix, and withdrawal probability vs cohort. The diligence view that determines whether this project is worth pursuing. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
TX
County
Yoakum
Grid Region
SPP (Southwest Power Pool)
Market
ISO/RTO Member
Developer
—
Utility
SPS
Entity
SPP
Service Type
NRIS/ERIS
Point of Interconnection
Mahoney 230kV Substation
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile would look like once it reaches commercial operation. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — what this project would produce assuming it reaches commercial operation. Probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios, conditioned on the proposed COD. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. The bankability view that determines whether the deal clears its covenants once online. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- 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.
Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
