Drake BESS
257.3 MW storage in Collin, TX · In queue since June 2022 · Proposed COD January 2027
257.3 MW
Capacity
1
Components
Battery
3y 11m
In Queue
IA Executed
IA Phase
Signed May 2025
Queue → IA
2y 11m
IA → COD
1y 8m
Total Duration
2y 11m
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: 2027-01-29
The Mallard BESS project is a proposed 257.3 MW battery storage project located in Collin County, Texas. Developed by Mallard Energy Storage LLC, the project is interconnected within the ERCOT region and entered the ERCOT interconnection queue as entry 25INR0101 on June 2, 2022. The proposed commercial operation date is July 14, 2026, and the project's interconnection agreement status is currently in the Facility Study phase.
The project consists of 257.3 MW of battery storage capacity. The point of interconnection is the 818 Olinger 138kV substation. The Mallard BESS project is currently listed as active within the ERCOT interconnection queue.
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
Collin
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Mallard Energy Storage LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
#833 Wylie Switch 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_NORTH
- Hub Confidence
- LOW
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 Drake BESSForward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
