Otter Tail Power Co time-of-use hours in South Dakota

On SD-10-03, on-peak hours run 2 PM – 8 PM and 7 AM – 10 AM on weekdays. Below is every active TOU rate plan Otter Tail Power Co offers in South Dakota — 2 plans — with period boundaries verified against the published tariff. No price values; periods only.

Otter Tail Power Co also serves Minnesota · North Dakota — or view all states.

For developers & agents

Query Otter Tail Power Co periods in South Dakota 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.

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Rate plan schedules

Every active time-of-use plan we track for Otter Tail Power Co in South Dakota, with its period boundaries.

SD-10-03 General Service – Time of Day Commercial
PeriodSeasonDaysHours
Mid-Peak Jun 1 – Sep 30 Mon–Fri 12 PM – 2 PM
On-Peak Jun 1 – Sep 30 Mon–Fri 2 PM – 8 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 2 PM – 8 PM
Mid-Peak Jun 1 – Sep 30 Mon–Fri 8 PM – 10 PM
Mid-Peak Oct 1 – May 31 Mon–Fri 5 AM – 7 AM
On-Peak Oct 1 – May 31 Mon–Fri 7 AM – 10 AM
Mid-Peak Oct 1 – May 31 Mon–Fri 10 AM – 9 PM
Effective
Apr 1, 2026
Verified
SD-10-05 Large General Service – Time of Day Commercial
PeriodSeasonDaysHours
Mid-Peak Jun 1 – Sep 30 Mon–Fri 12 PM – 2 PM
On-Peak Jun 1 – Sep 30 Mon–Fri 2 PM – 8 PM
Mid-Peak Jun 1 – Sep 30 Sat–Sun 2 PM – 8 PM
Mid-Peak Jun 1 – Sep 30 Mon–Fri 8 PM – 10 PM
Mid-Peak Oct 1 – May 31 Mon–Fri 5 AM – 7 AM
On-Peak Oct 1 – May 31 Mon–Fri 7 AM – 10 AM
Mid-Peak Oct 1 – May 31 Mon–Fri 10 AM – 9 PM
Effective
Apr 1, 2026
Verified

Frequently asked

  1. What are Otter Tail Power Co's on-peak hours in South Dakota?

    On the SD-10-03 plan (General Service – Time of Day), on-peak hours run from 2 PM – 8 PM and 7 AM – 10 AM on weekdays. All remaining hours are classified as off-peak.

  2. Does Otter Tail Power Co charge more for electricity at certain times in South Dakota?

    Yes. Otter Tail 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 2 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Otter Tail 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 Otter Tail 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.