Utility Providers in Casper, WY

In Casper, Rocky Mountain Power provides electricity for most Casper homes. The exact lineup depends on your Casper address.

1
provider across 5 sampled Casper addresses
Rocky Mountain Power
electricity at every one of sampled Casper addresses
No plan shopping
Casper electric territory decides the utility
2026-07-20
Casper data refreshed

Casper lookups are free — all four utility types in about a minute

Casper guide: providers · address check · checklist · FAQ · nearby

Casper utility providers at a glance

UtilityProviderPhoneStart service
⚡ Electricity Rocky Mountain Power (888) 221-7070 Provider site
🔥 Natural gas Varies by address — Look up address
💧 Water Varies by address — Look up address
🚽 Sewer Varies by address — Look up address

Based on 5 sampled Casper addresses spanning ZIP codes 82601, 82609 (2026-07-20). Yours may differ — the Casper lookup is the tiebreaker.

It depends on your address — even in Casper

Our 5 sampled Casper addresses span ZIPs 82601, 82609, and provider lines don't always follow city limits. Run your exact address through the lookup rather than assuming a neighbor's setup matches yours.

The one-minute fix: run your Casper address through the lookup and skip the guessing.

Moving to Casper? Your setup checklist

  1. Confirm your Casper providers first. Before calling anyone, run your exact Casper address through the lookup — providers change at neighborhood boundaries.
  2. Start Casper electric service with Rocky Mountain Power about 3–5 business days out. Signup is direct with Rocky Mountain Power — Casper has no plan-shopping step.
  3. Set up water and sewer. Water service here varies by address — your lookup result will name the district to contact, which may be a municipal utility district (MUD) rather than the city.
  4. Keep your confirmation numbers. Casper landlords and title companies often want proof that Casper utilities are in your name from day one.

Casper utility questions, answered

Who is the electric company in Casper, WY?

At every one of the Casper addresses we sampled, Rocky Mountain Power was the electric utility. The exact Casper provider depends on the address.

Can I choose my electricity provider in Casper?

Generally no — Casper electric territory is fixed by address: the utility holding your Casper block is your utility, and at every one of sampled Casper addresses that was Rocky Mountain Power — Casper is a one-signup town.

How do I find the utility providers for a Casper address?

One minute with the Casper lookup above returns your Casper address's exact providers, phone numbers included.

Nearby cities

Moving somewhere just outside Casper? Providers likely differ:

← All Wyoming utility providers

Get the answer for your exact Casper address

Casper-level lists can't be precise. Your Casper address can.

Find my providers

Casper provider data comes from our address-level utility lookup engine — 5 Casper sample addresses spread across ZIPs 82601, 82609, refreshed 2026-07-20. Individual Casper addresses vary — check yours directly. Here's how we verify Casper provider data.