Executive Summary
- ERCOT batteries that focused on ECRS earned 50% higher revenues than the market average in the 12 months following the service’s June 2023 launch.
- ECRS-dominant batteries cycled less than the ERCOT average but earned more per cycle.
- ECRS clearing prices have fallen in 2024, averaging $4.74/MW/h in July and August—29% lower than other Ancillary Services as competition increased.
Subscribers to Modo Energy’s Research will also find out:
- How declining ECRS revenues are pushing battery operators toward Energy arbitrage strategies.
- Why Ancillary Service saturation is leading to reduced revenues across all ERCOT battery-dominated services.
- What future ECRS clearing price trends signal for battery market participation in 2025 and beyond.
To get full access to Modo Energy’s Research, book a call with a member of the team today.
Introduction
ECRS has served as a high-revenue market for battery energy storage systems that qualified to provide the service since it launched in June of 2023.
In the first full year since its launch, battery energy storage systems - that have been operational since before the launch - earned roughly 28% of their revenues from the new service.