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CPUC staff proposes CALFUSE dynamic‑pricing framework to value vehicle‑grid integration
Summary
CPUC Energy Division outlined CALFUSE, a staff white paper recommending standardized, bidirectional real‑time price signals (price presentation, rate reform and bidirectionality) as a way to convey wholesale and capacity value to flexible loads including EVs; staff emphasized fairness and cost‑based incentives.
Achintya Madhuri, a senior analyst in the CPUC Retail Rates team, told the forum the commission's staff has proposed a conceptual framework called CALFUSE (California Flexible Unified Signal for Energy) in the demand flexibility rulemaking to help standardize how dynamic prices reach customers and devices.
"The first element is price presentation — ensuring prices in near‑real time are made available through an easily accessible portal to customers," Madhuri said. He said the Energy Division envisions three core pillars for dynamic pricing: price presentation, rate reform (including real‑time energy and capacity signals) and bidirectionality (compensating exported energy at a just and reasonable price).
Madhuri noted that retail rates recover an authorized revenue requirement and that any incentive above avoidable cost has consequences for who pays. He provided an illustrative breakdown of a hypothetical 40¢/kWh retail rate to show how much of retail cost is driven by CAISO wholesale energy and how much is related to long‑run generation, transmission and distribution capacity. "About 15% of that [hypothetical rate] is CAISO wholesale energy prices," Madhuri said in the presentation. He said staff estimates a material portion of retail bills can be affected by customer timing of usage, but cautioned that not all retail costs are avoidable and that fairness in cost allocation remains central.
Staff's demand flexibility rulemaking is active: the Energy Division has requested guidance on price access (including work with the CEC's Midas platform), and the CPUC has authorized expanded opt‑in and export compensation pilots in parts of the state. Madhuri said some utilities have already filed applications for opt‑in hourly rates, and the CPUC's timeline contemplates that utilities and CCAs offer similar rate options to customer classes by 2027 under the CEC load management standards.
Why it matters: standard, bidirectional price presentation would let EVs and aggregators see and respond to consistent price and capacity signals and is the staff's central proposed mechanism to translate wholesale and capacity value into customer behavior. The staff paper is not final CPUC policy; it is part of an active rulemaking that will be followed by draft decisions and subsequent utility filings.
