Donna BESS
54.08 MW storage in Hidalgo, TX · In queue since March 2024 · Proposed COD February 2029
54.08 MW
Capacity
1
Components
Battery
2y 2m
In Queue
Facility Study
IA Status
COD target: 2029
Total Duration
4y 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 not yet executed
Typical: 30–60 days (negotiation)
Proposed COD: 2029-02-22
The Donna BESS project is a proposed 54.08 MW battery storage project located in Hidalgo County, Texas. The developer is Donna Solar LLC. It is interconnected within the ERCOT region under queue ID ERCOT-26INR0442, with a queue entry date of March 22, 2024, and a proposed commercial operation date of February 22, 2029. The project's interconnection status is currently in the Facility Study phase.
The Donna BESS project has been the subject of recent news coverage, with three articles focusing on industry trends and deals related to the project.
Generated from interconnection queue and public data sources
State
TX
County
Hidalgo
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Donna Solar LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
Tap 345 kV 80137 Stewart Road - 8383 North Edinburg
Data Source
LBNL + Live
- ISO / RTO
- ERCOT
- Trading Hub
- HB_SOUTH
- Hub Confidence
- MEDIUM
- Nearest Node (Estimated)
- GKS_BESS_RN
- POI Substation
- Stewart Road 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
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