Reviewed field guides
Arizona energy guidance with the same paper trail as our calculators.
Only guides that have cleared our current source and monetization review appear here. Older posts stay out of publication until their rates, incentives, commercial language, and supporting documents are checked again.
APS Off-Peak Hours & Holidays: The 2026 Schedule
Use the current TOU-E weekday windows, winter super-off-peak period, holiday dates, and observed-holiday rules.
Rate file checked
Jul 27, 2026
7 min read
Current library
More reviewed guides
3 guides in active publication
SRP E-27 Peak Hours: Summer and Winter Schedule
E-27 weekday windows, winter morning and evening peaks, six tariff holidays, and progressive demand tiers.
SRP E-27 Demand Charges Explained
How E-27 measures max 30-minute on-peak demand and prices progressive seasonal tiers.
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