Niagara Mohawk Power Corp. time-of-use hours

On SC1-C, on-peak hours run 11 AM – 5 PM and 5 PM – 8 PM on weekdays. Below is every active TOU rate plan we track for Niagara Mohawk Power Corp. — 4 plans — with period boundaries verified against the published tariff. No price values; periods only.

For developers & agents

Query Niagara Mohawk Power Corp. 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.

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Rate plan schedules

Every active time-of-use plan we track for Niagara Mohawk Power Corp., with its period boundaries.

SC1-C Residential and Farm Service - Optional Large Time-of-Use (SC-1-C) Residential
PeriodSeasonDaysHours
On-Peak Jun 1 – Aug 31 Mon–Fri 11 AM – 5 PM
On-Peak Dec 1 – Feb 28 Mon–Fri 5 PM – 8 PM
Mid-Peak Jun 1 – Aug 31 Mon–Fri 8 AM – 11 AM
Mid-Peak Jun 1 – Aug 31 Mon–Fri 5 PM – 8 PM
Mid-Peak Dec 1 – Feb 28 Mon–Fri 9 AM – 5 PM
Effective
Apr 27, 2009
Verified
SC1-VTOU Residential Optional Time of Use (SC-1 Special Provision L) Residential
PeriodSeasonDaysHours
Critical Peak Jun 1 – Aug 31 Mon–Fri 2 PM – 6 PM
On-Peak All year Every day 7 AM – 11 PM
Effective
Apr 1, 2026
Verified
SC2-ND-TOU Small General Service - Non-Demand Optional Time of Use (SC-2 Special Provision O) Commercial
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 12 PM – 8 PM
Mid-Peak All year Mon–Fri 7 AM – 12 PM
Mid-Peak All year Mon–Fri 8 PM – 10 PM
Effective
Sep 1, 2025
Verified
SC3-A Large General Service - Time-of-Use Rate (SC-3-A) Commercial
PeriodSeasonDaysHours
On-Peak All year Mon–Fri 8 AM – 10 PM
Effective
Apr 1, 2026
Verified

Frequently asked

  1. What are Niagara Mohawk Power Corp.'s on-peak hours?

    On the SC1-C plan (Residential and Farm Service - Optional Large Time-of-Use (SC-1-C)), on-peak hours run from 11 AM – 5 PM and 5 PM – 8 PM on weekdays. All remaining hours are classified as off-peak.

  2. Does Niagara Mohawk Power Corp. charge more for electricity at certain times?

    Yes. Niagara Mohawk Power Corp. 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 4 active schedules; tou.tools does not publish pricing ($/kWh) details.

  3. How do I get Niagara Mohawk Power Corp. 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 Niagara Mohawk Power Corp. 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.