In Westminster, Xcel Energy provides electricity for most Westminster homes; Xcel Energy is Westminster's natural-gas utility; Westminster Water runs Westminster's water service. The exact lineup depends on your Westminster address — even nearby Arvada and Thornton answer differently.
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Here's how Westminster shakes out. Colorado doesn't have retail energy choice, so there's no supplier to shop for — Xcel Energy covers both electric and gas at every sampled address here, the same as most of the Denver metro. Water runs through Westminster Water, while sewer is handled by the City of Westminster itself. Two different names to line up beyond your energy, then, so it's worth confirming each one for your specific place rather than assuming the city does all of it.
Westminster grew up along the US 36 corridor between Denver and Boulder, and it straddles two counties, Adams and Jefferson, as it spread across the plains. That history shows up in your setup: sewer is run by the City of Westminster itself, the kind of service a full incorporated city handles in-house, while water comes from Westminster Water. Xcel, by contrast, ignores county and city lines, so crossing from the Adams side to the Jefferson side doesn't change who sends the energy bill.
| Utility | Provider | Phone | Start service |
|---|---|---|---|
| ⚡ Electricity | Xcel Energy | (800) 895-2999 | Provider site |
| 🔥 Natural gas | Xcel Energy | (800) 895-2999 | Provider site |
| 💧 Water | Westminster Water | — | Look up address |
| 🚽 Sewer | City of Westminster Municipal | — | Look up address |
Based on 11 sampled Westminster addresses spanning ZIP codes 80020, 80021, 80030, 80031, 80234 (2026-07-20). Yours may differ — the Westminster lookup is the tiebreaker.
Westminster's border is a patchwork — it butts up against Broomfield, Northglenn, Federal Heights, Arvada and Thornton, with pockets of unincorporated Adams and Jefferson County. An address that reads as 'Westminster' by mail can sit outside city services, so the local water and sewer names aren't guaranteed at the fringes.
The one-minute fix: run your Westminster address through the lookup and skip the guessing.
Moving into Westminster, whether you're near Standley Lake or off the US 36 corridor, here's the order that keeps your first week from turning into a scramble:
At every one of the Westminster addresses we sampled, Xcel Energy was the electric utility. The exact Westminster provider depends on the address.
Generally no — Westminster electric territory is fixed by address: the utility holding your Westminster block is your utility, and at every one of sampled Westminster addresses that was Xcel Energy — Westminster is a one-signup town.
At every one of the Westminster addresses we sampled, Westminster Water was the water provider. Other districts take over around Westminster's edges, so check your block.
No — at every one of the sampled Westminster addresses, Xcel Energy was the gas utility, but plenty of Westminster homes are all-electric and never open this account.
Xcel Energy handles both electricity and natural gas across Westminster — it showed up at every address we sampled, which lines up with most of the Denver metro. Colorado doesn't have retail energy choice, so there's no competing supplier to pick between; you just open an Xcel account for the address. Water runs through Westminster Water and sewer through the City of Westminster, so those are separate setups, not part of the energy bill.
Sewer service comes from the City of Westminster, which runs it as a municipal, city-owned service. Water shows up under the name Westminster Water at every sampled address. Near the edge of town an address can land differently, so it's worth confirming the exact spot with the lookup rather than assuming. Electricity and gas, meanwhile, stay with Xcel regardless of where in Westminster you are.
Plan on more than one call. Energy is the simple part — Xcel provides both your electricity and gas across Westminster, and with no retail choice in Colorado there's no supplier to shop for. Water and sewer are handled by Westminster Water and the City of Westminster, so those get arranged on their own. Start with the lookup to confirm exactly who serves your address, then line up each account ahead of your move-in date so nothing lapses.
One minute with the Westminster lookup above returns your Westminster address's exact providers, phone numbers included.
Moving somewhere just outside Westminster? Providers likely differ:
Westminster-level lists can't be precise. Your Westminster address can.
Find my providersWestminster provider data comes from our address-level utility lookup engine — 11 Westminster sample addresses spread across ZIPs 80020, 80021, 80030, 80031, 80234, refreshed 2026-07-20. Individual Westminster addresses vary — check yours directly. Here's how we verify Westminster provider data.