SAHARA II BESS (SOHO II BESS)
204.3 MW storage in Brazoria, TX · In queue since August 2022 · Proposed COD June 2026
204.3 MW
Capacity
1
Components
Battery
3y 9m
In Queue
IA Executed
IA Phase
Signed Apr 2023
Queue → IA
8 months
IA → COD
3y 2m
Total Duration
8 months
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: 2026-06-01
The SOHO II BESS project is a proposed 206.32 MW battery storage project located in Brazoria County, Texas. Developed by Black Mountain Energy Storage II, the project is interconnected within the ERCOT region and entered the ERCOT interconnection queue as queue ID ERCOT-25INR0162 on August 16, 2022.
The project has an executed Interconnection Agreement (IA) as of April 15, 2023, and is currently listed as active. The proposed commercial operation date is June 1, 2026. The point of interconnection is the 43035 Oasis 345kV.
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
Brazoria
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
ESTX-PLD-HOUSTON2
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
43035 Oasis 345kV
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_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- Oasis 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.
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Ask about SAHARA II BESS (SOHO II BESS)Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
