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BATTERY STORAGE · ERCOTMaderagemela BESS1
Maderagemela BESS1 is a 154 MW battery storage request in interconnection study in the ERCOT interconnection queue, in Waller County, Texas.
Queue statusIn planning
- PlanningQueued Feb 2024 (current stage)
- Consented (not yet reached)
- Construction (not yet reached)
- OperatingTarget Oct 2027 (not yet reached)
- Closed (not yet reached)
Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.
Request details
- Queue ID
- 26INR0426
- Grid region
- ERCOT (Texas)
- Developer
- Twinwood ES1, LLC
- Connection point (POI)
- Tap 138kV 44750 FULSHR_S25_8 to 44860 TWINWD_S25_8
- Location
- Waller County, Texas
- Technology
- Battery: 154 MW
- Total requested
- 154 MW
- Study phase
- SS Completed, FIS Started, No IA
- Queue status
- Active
- Entered queue
- 27 February 2024
- Proposed online date
- October 2027
Location
Marker shows the centre of Waller County; the queue data does not give exact sites.
Other requests in Waller County
- Ochoa Energy Storage IIBattery storage · 517 MW · in study
- Twinwood Solar 1Solar · 358 MW · in study
- Ochoa Energy StorageBattery storage · 260 MW · in study
- Caladium BESSBattery storage · 201 MW · in study
- Augie BESSBattery storage · 201 MW · in study
- Parliament SolarSolar · 485 MW · built
- JuggernautOther · 100 MW · withdrawn
- Monaville SolarSolar · 100 MW · withdrawn
Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem