SB 1501 Summary

• Requires the Arizona Corporation Commission to conduct grid security reviews at least once every two years or as part of its integrated resource planning process and biennial transmission assessment.

• Mandates each investor-owned public service corporation evaluate generation and grid management technologies to protect against physical and cyberattacks, assess electromagnetic pulse dangers, and evaluate new information technology system protections.

• Requires public service corporations to update and submit their cybersecurity and grid protection protocols to the Commission for review and confirmation of adequacy.

• Authorizes the Commission to recommend changes to rectify deficiencies and develop security plans that consider implementation time and costs.

• Exempts all grid security reviews, plans, protocols, and related information from public inspection.