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Lawrence Berkeley releases ICE 2 interruption-cost calculator with new surveys and API
Summary
Lawrence Berkeley National Laboratory and partners outlined ICE 2, a substantially revised Interruption Cost Estimator that uses recent, standardized customer surveys, updated models and an API. CPUC stakeholders were shown the methodology, sample sizes, documentation and planned phase releases.
Lawrence Berkeley National Laboratory on June 24 presented the initial public release of ICE 2, an updated Interruption Cost Estimator intended to replace the older ICE calculator used to monetize short-duration power-interruption costs. LBNL and partner Resource Innovations described new survey work, revised customer-damage functions and a programmatic API that utilities and regulators can use to run batch analyses.
The ICE calculator estimates the customer cost of short outages and is used by utilities for reliability planning and benefit–cost analysis. LBNL said ICE 2 replaces multiple, inconsistent older surveys with a coordinated, multi‑phase survey program and updated statistical models; the project includes funding and technical input from sponsoring utilities and federal partners.
Christina Lachomar, program manager at Lawrence Berkeley National Laboratory, told the CPUC workshop: "We're excited to be talking about the updated and newly released ICE calculator." She said phase 1 is complete, phase 2 (which includes all California investor‑owned utilities) is in progress, and a combined release incorporating…
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