CA SB593

Requires the Public Utilities Commission by January 1, 2027, to mandate that large electrical corporations conduct studies evaluating significant voltage-related incidents (voltage deviations exceeding ±5% of nominal voltage) that caused $5,000 or more in damage to customer equipment, appliances, or property

Studies must analyze data from January 1, 2024, through December 31, 2026, including the frequency, geographic distribution, and causes of incidents (grid instability, system failures, wildfires, storms)

Studies must quantify monetary claims filed, approved, and denied across residential, commercial, and industrial customers, and evaluate complaint response times and resolution processes

Requires assessment of whether current consumer protections adequately serve low-income, rural, and limited English proficiency customers seeking reimbursement for voltage-related damage

Commission must publish hyperlinks to the studies on its website and report findings to the Legislature by July 1, 2027; the provision sunsets on January 1, 2031