Big Star Storage
80 MW storage in Bastrop, TX · In queue since January 2020 · Proposed COD January 2026
80 MW
Capacity
1
Components
Battery
6y 6m
In Queue
IA Executed
IA Phase
Signed Oct 2020
Queue → IA
9 months
IA → COD
5y 3m
Total Duration
9 months
Schedule
5 months past proposed COD
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: 2026-01-31
Big Star Storage is a proposed 80 MW battery storage project in Bastrop County, Texas, being developed by RWE Solar Development, LLC. The project is interconnected within the ERCOT queue as entry ERCOT-21INR0469, with a queue entry date of January 2, 2020, and a proposed commercial operation date of January 31, 2026. The project's Interconnection Agreement (IA) was executed on October 2, 2020.
The development has been mentioned in recent news coverage related to grid infrastructure.
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
Bastrop
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
RWE Solar Development, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345kV 9074 Lytton - 9073 Holman
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
- Lytton Springs 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.
Last updated 2026-03-26
View all articlesNo Ask reports yet for this entity.
Ask about Big Star StorageForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
