Union Electric Membership Corp time-of-use hours
On RTS, on-peak hours run 2 PM – 6 PM and 6 AM – 9 AM every day. Below is every active TOU rate plan we track for Union Electric Membership Corp — 3 plans — with period boundaries verified against the published tariff. No price values; periods only.
Query Union Electric Membership 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.
Rate plan schedules
Every active time-of-use plan we track for Union Electric Membership Corp, with its period boundaries.
| Period | Season | Days | Hours |
|---|---|---|---|
| Super Off-Peak | All year | Every day | 10 PM – 5 AM |
| On-Peak | Apr 16 – Oct 15 | Every day | 2 PM – 6 PM |
| On-Peak | Oct 16 – Apr 15 | Every day | 6 AM – 9 AM |
| Period | Season | Days | Hours |
|---|---|---|---|
| Super Off-Peak | All year | Every day | 10 PM – 5 AM |
| On-Peak | Apr 16 – Oct 15 | Every day | 2 PM – 6 PM |
| On-Peak | Oct 16 – Apr 15 | Every day | 6 AM – 9 AM |
| Period | Season | Days | Hours |
|---|---|---|---|
| Super Off-Peak | All year | Every day | 10 PM – 5 AM |
| On-Peak | Apr 16 – Oct 15 | Every day | 2 PM – 6 PM |
| On-Peak | Oct 16 – Apr 15 | Every day | 6 AM – 9 AM |
Frequently asked
-
What are Union Electric Membership Corp's on-peak hours?
On the RTS plan (Residential Time-of-Day Service), on-peak hours run from 2 PM – 6 PM and 6 AM – 9 AM every day. All remaining hours are classified as off-peak.
-
Does Union Electric Membership Corp charge more for electricity at certain times?
Yes. Union Electric Membership 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 3 active schedules; tou.tools does not publish pricing ($/kWh) details.
-
How do I get Union Electric Membership 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.
-
Do Union Electric Membership 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.