Substitute Senate Bill 7
A Senate hearing examined generation firming and the proposed Dispatchable Reliability Reserve Service.
DER Eligibility Concerns
Battery and Implementation Questions
Markets
Outcomes
The Texas Senate Committee on Business and Commerce debated substitute Senate Bill 7 on March 23, 2023.
The bill proposed a firming requirement and a Dispatchable Reliability Reserve Service (DRRS) with eligibility and operating requirements still under development at the time.
DER Eligibility Concerns
Enchanted Rock representative Corey Amthor argued that the draft ancillary-service eligibility conditions could exclude distributed energy resources.
He also raised concerns about tying qualification to a supposedly non-curtailable circuit, which utilities generally could not guarantee.
Battery and Implementation Questions
ERCOT leadership noted that new ancillary services typically take years to implement and that batteries could participate if they met relevant availability and duration rules.
A contemplated 10-hour availability requirement was identified as a potential challenge for storage.
Historical legislative hearing; not a statement of enacted ERCOT product rules.
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