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Systems and applications
Portals and applications Release planning Requesting access and certificates User Access Administrator (UAA)
Library
Recent documents Topics
Meetings and events
Calendar Events Meetings
Daily Briefing

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The California ISO manages the flow of electricity across high-voltage, long-distance power lines, operates a competitive wholesale energy market, and oversees transmission planning.

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Generation and transmission

The ISO provides open and non-discriminatory access to the transmission grid, supported by a competitive energy market for resources generating one megawatt or more.

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Research legal policies, notices as well as ISO contracts and agreements. Business practice manuals and operating procedures are also found here.

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Testing Notice Jan 22 2026 001

01/22/2026

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Testing Notice Jan 22 2026 001

Content Testing Notice Jan 22 2026 001

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