Outer Loop BESS
201.2 MW storage in Harris, TX · In queue since September 2021 · Proposed COD December 2027
201.2 MW
Capacity
1
Components
Battery
4y 10m
In Queue
Facility Study
IA Phase
COD target: 2027
Total Duration
6y 3m
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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2027-12-06
The Outer Loop BESS is a proposed 201.2 MW battery storage project located in Harris County, Texas. Developed by Black Mountain Energy Storage II, the project is interconnected within the ERCOT region under queue ID ERCOT-23INR0382. It entered the interconnection queue on September 29, 2021, and has a proposed commercial operation date of December 6, 2027. The project's interconnection status is currently in the Facility Study phase.
The Outer Loop BESS development has been the subject of recent news coverage.
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
Harris
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Black Mountain Energy Storage II
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
40700 Greens Bayou 345kV
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
- ERCOT
- Trading Hub
- HB_HOUSTON
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- GBY_GT
- POI Substation
- Greens Bayou 345kV 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.
No Ask reports yet for this entity.
Ask about Outer Loop BESSForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
