Public Utilities Code section 345

(a)

The Independent System Operator shall ensure the efficient use and reliable operation of the transmission grid consistent with the achievement of planning and operating reserve criteria that are no less stringent than those established by the Western Electricity Coordinating Council and the North American Electric Reliability Council.

(b)

In furtherance of subdivision (a), the Independent System Operator may amend its tariff, as deemed necessary and subject to approval by the Federal Energy Regulatory Commission through its rulemaking process, to be consistent with subdivision (a).

Source: Section 345, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PUC§ionNum=345.­ (updated Jan. 1, 2025; accessed Oct. 13, 2025).

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Verified:
Oct. 13, 2025

§ 345's source at ca​.gov