Tennessee time-of-use hours by utility

Every Tennessee electric utility we track with at least one active time-of-use rate plan, with peak and off-peak hours verified against the published tariff. Periods only — no price values.

6Utilities covered
14Active TOU plans
755ZIP codes covered

Every TOU schedule on this page verified since

Frequently asked

  1. What are the typical time-of-use on-peak hours in Tennessee?

    Across the 6 residential TOU plans tou.tools tracks in Tennessee, the most common on-peak window is 5 AM – 11 PM (2 plans); others run 4 AM – 10 PM and 2 PM – 8 PM. Every hour outside the on-peak (and any mid-peak) window is billed as off-peak. Exact boundaries vary by utility and plan — see each utility's schedule above.

  2. Which electric utilities in Tennessee offer time-of-use rate plans?

    tou.tools tracks 6 Tennessee utilities with at least one active TOU rate plan — 14 active schedules in total. The largest by customers served are Nashville Electric Service, City of Memphis, and Middle Tennessee E M C. They span municipal utilities and electric cooperatives. The full list above is sorted by customers served.

  3. Do Tennessee time-of-use peak hours apply on weekends?

    It depends on the plan. Of the 6 residential TOU plans we track in Tennessee, 3 apply on-peak periods every day including weekends, while 3 restrict on-peak to weekdays and treat weekends as off-peak. Many tariffs also treat observed holidays as off-peak; the Days column in each schedule above shows the exact rule.

  4. Do Tennessee time-of-use hours change by season?

    Some do. Of the 6 residential TOU plans we track in Tennessee, 3 shift their period boundaries between seasons (typically summer and winter), while 3 keep the same hours year-round. Each schedule above lists its exact season dates.

  5. When is the cheapest time to charge an EV in Tennessee?

    tou.tools tracks 1 EV-specific rate plan in Tennessee (EVC). On EV time-of-use plans the lowest-cost window is generally the overnight super-off-peak or off-peak period; charging then avoids the on-peak window. See the EV plan schedules for the exact hours.

  6. How do I find which Tennessee utility serves a specific address or ZIP code?

    tou.tools maps 755 Tennessee ZIP codes to the utilities that serve them. Because service territories can overlap, a ZIP may return more than one candidate utility; supplying a full street address resolves it to a single utility via a geocoded point-in-territory lookup. The REST API and MCP server both return the matching utility and its current TOU period.

For developers & agents

Time-of-use periods for all of Tennessee, one API.

Resolve any Tennessee ZIP or address to its utility and get the current period plus the next transition — over REST or MCP.