Eval Storage
251.85 MW storage in Cameron, TX · In queue since October 2020 · Proposed COD April 2029
251.85 MW
Capacity
1
Components
Battery
5y 9m
In Queue
IA Executed
IA Phase
Signed Feb 2022
Queue → IA
1y 4m
IA → COD
7y 2m
Total Duration
1y 4m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 6–18 months
Proposed COD: 2029-04-30
Eval Storage is a proposed 255 MW battery storage project located in Cameron County, Texas. The project, developed by Hecate Grid East Valley Storage LLC, is currently active in the ERCOT interconnection queue as entry ERCOT-22INR0401, with a queue entry date of October 23, 2020. The proposed commercial operation date is December 31, 2028.
The project's Interconnection Agreement (IA) has been executed as of February 3, 2022. The point of interconnection is the 80229 Cavazos 138kV substation. Eval Storage has been the subject of recent news coverage, with seven articles categorized as industry news and deal announcements.
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.
See the full development-risk decomposition for this project.
State
TX
County
Cameron
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Hecate Grid East Valley Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
80229 Cavazos 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.
See the full risk decomposition + scenarios for this project.
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.
See the full forecast + scenario decomposition for this project.
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.
See the full revenue + DSCR projection for this project.
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- POI Substation
- Villa Cavazos 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.
Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
