Idaho Power Co time-of-use hours

On ID-SCHEDULE-5, on-peak hours run 7 PM – 11 PM and 6 AM – 9 AM and 5 PM – 8 PM on weekdays. Below is every active TOU rate plan we track for Idaho Power Co — 3 plans — with period boundaries verified against the published tariff. No price values; periods only.

For developers & agents

Query Idaho Power Co periods programmatically.

One call returns the current period and the next transition time for any U.S. ZIP or address — GET /query/current over REST, or the same data through MCP for AI agents.

Get a free API key Read the docs

Rate plan schedules

Every active time-of-use plan we track for Idaho Power Co, with its period boundaries.

ID-SCHEDULE-5 Residential Service Time-of-Use Plan (Schedule 5) Residential
PeriodSeasonDaysHours
Mid-Peak Jun 1 – Sep 30 Mon–Sat 3 PM – 7 PM
On-Peak Jun 1 – Sep 30 Mon–Sat 7 PM – 11 PM
On-Peak Oct 1 – May 31 Mon–Sat 6 AM – 9 AM
On-Peak Oct 1 – May 31 Mon–Sat 5 PM – 8 PM
Effective
Jan 1, 2026
Verified
ID-SCHEDULE-9-TOU Large General Service — Time-of-Use (Schedule 9) Commercial
PeriodSeasonDaysHours
Mid-Peak Jun 1 – Sep 30 Mon–Sat 2 PM – 7 PM
On-Peak Jun 1 – Sep 30 Mon–Sat 7 PM – 11 PM
Mid-Peak Jun 1 – Sep 30 Mon–Sat 11 PM – 10 AM
On-Peak Oct 1 – May 31 Mon–Sat 6 AM – 9 AM
Mid-Peak Oct 1 – May 31 Mon–Sat 9 AM – 10 AM
Mid-Peak Oct 1 – May 31 Mon–Sat 2 PM – 5 PM
On-Peak Oct 1 – May 31 Mon–Sat 5 PM – 8 PM
Mid-Peak Oct 1 – May 31 Mon–Sat 8 PM – 6 AM
Effective
Jan 1, 2026
Verified
ID-SCHEDULE-19 Large Power Service (Schedule 19) Industrial
PeriodSeasonDaysHours
Mid-Peak Jun 1 – Sep 30 Mon–Sat 2 PM – 7 PM
On-Peak Jun 1 – Sep 30 Mon–Sat 7 PM – 11 PM
Mid-Peak Jun 1 – Sep 30 Mon–Sat 11 PM – 10 AM
On-Peak Oct 1 – May 31 Mon–Sat 6 AM – 9 AM
Mid-Peak Oct 1 – May 31 Mon–Sat 9 AM – 10 AM
Mid-Peak Oct 1 – May 31 Mon–Sat 2 PM – 5 PM
On-Peak Oct 1 – May 31 Mon–Sat 5 PM – 8 PM
Mid-Peak Oct 1 – May 31 Mon–Sat 8 PM – 6 AM
Effective
Jan 1, 2026
Verified

Frequently asked

  1. What are Idaho Power Co's on-peak hours?

    On the ID-SCHEDULE-5 plan (Residential Service Time-of-Use Plan (Schedule 5)), on-peak hours run from 7 PM – 11 PM and 6 AM – 9 AM and 5 PM – 8 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Idaho Power Co charge more for electricity at certain times?

    Yes. Idaho Power Co offers time-of-use (TOU) rate plans where electricity costs vary depending on the period. The period—peak, off-peak, mid-peak, or super off-peak—depends on the time, day, and season. This page lists boundaries for 3 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Idaho Power Co time-of-use periods in my app?

    Schedules are accessible programmatically via the tou.tools REST API and MCP server for AI agents. By querying a U.S. address or ZIP code, your application can instantly retrieve the current period and next scheduled transition time. Developer API keys are free.

  4. Do Idaho Power Co time-of-use hours change during holidays or seasons?

    Yes. Peak hours and rate periods can vary by season (typically summer and winter halves) and special holidays. While some schedules like E-ELEC keep stable hours year-round, others introduce super off-peak windows or adjust peak times. Check each rate plan card above for specific seasonal boundaries.