In Alpharetta, Georgia Power provides electricity for most Alpharetta homes; Atlanta Gas Light delivers the natural gas at Alpharetta addresses, and the marketer billing your Alpharetta account is your pick; North Fulton County handles Alpharetta's water and sewer. The exact lineup depends on your Alpharetta address — even nearby Johns Creek and Roswell answer differently.
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Alpharetta reads like Johns Creek's twin but samples differently: every address we checked returned Georgia Power for electricity, with the county's North Fulton system on water and sewer and marketer-choice gas on Atlanta Gas Light pipes. The tech-corridor growth along GA-400 hasn't complicated the lineup much.
Avalon and the tech corridor gave Alpharetta a second downtown, but the utility map stayed steady through the boom — every sample from Windward down to Kimball Bridge Road returned the same three names, a consistency its patchwork neighbors can't claim.
Alpharetta's moving season tracks the school calendar: Fulton County classes resume in early August, so most move-ins land in the thick of a Georgia summer, when a house left without power over a closing weekend turns into an oven. Start the Georgia Power account before the truck arrives, not after. Gas feels optional in July but won't in January — pick your marketer on Atlanta Gas Light's system while you're unpacking, not during the first cold snap. Water and sewer run through North Fulton County, and in the older swim-and-tennis subdivisions off Rucker and Mayfield, it's worth asking whether the previous owner kept a separate irrigation setup before summer watering begins.
| Utility | Provider | Phone | Start service |
|---|---|---|---|
| ⚡ Electricity | Georgia Power | (888) 660-5890 | Provider site |
| 🔥 Natural gas |
Atlanta Gas Light
Pipes utility — you choose your gas marketer |
(800) 427-5463 | Provider site |
| 💧 Water | North Fulton County | — | Look up address |
| 🚽 Sewer | North Fulton County | — | Look up address |
Based on 10 sampled Alpharetta addresses spanning ZIP codes 30004, 30005, 30009, 30022 (2026-07-20). Yours may differ — the Alpharetta lookup is the tiebreaker.
West toward Milton and north toward Forsyth County is where co-op territory waits — Alpharetta proper stayed uniform in our sampling, its neighbors don't.
The one-minute fix: run your Alpharetta address through the lookup and skip the guessing.
Alpharetta's lineup is metro-north standard, with the county — not the city — holding the water account.
At every one of the Alpharetta addresses we sampled, Georgia Power was the electric utility. The exact Alpharetta provider depends on the address.
Generally no — Alpharetta electric territory is fixed by address: the utility holding your Alpharetta block is your utility, and at every one of sampled Alpharetta addresses that was Georgia Power — Alpharetta is a one-signup town.
At every one of the Alpharetta addresses we sampled, North Fulton County was the water provider — sewer included. Other districts take over around Alpharetta's edges, so check your block.
Atlanta Gas Light owns the gas lines at every one of the sampled Alpharetta addresses — the gas itself, though, is sold to Alpharetta homes by a licensed retail marketer you choose. Leak calls in Alpharetta still go to Atlanta Gas Light, whichever marketer bills you.
Mostly no — every Alpharetta address we sampled returned Georgia Power, while neighboring Johns Creek runs largely on Sawnee EMC. The boundary between these twin suburbs is a real utility line.
Fulton County's North Fulton water system, which served every sampled Alpharetta address — water here is a county relationship, not a city one.
Many newer Alpharetta communities fold water or trash into the lease while leaving electricity and gas to you — read yours before opening accounts. Whatever the lease says, the underlying providers match the rest of Alpharetta: fixed electric territory, county water, marketer-choice gas.
Georgia splits the gas job in two: Atlanta Gas Light owns the pipes and meters — it showed up at every Alpharetta address we sampled — while a retail marketer you choose sells the gas and sends the bill. Switching marketers doesn't change the pipes or the delivery company behind them. If you're arriving from a state where one utility does both, this is the one extra decision an Alpharetta move adds; the lookup shows what applies at your address.
One minute with the Alpharetta lookup above returns your Alpharetta address's exact providers, phone numbers included.
Moving somewhere just outside Alpharetta? Providers likely differ:
Alpharetta-level lists can't be precise. Your Alpharetta address can.
Find my providersAlpharetta provider data comes from our address-level utility lookup engine — 10 Alpharetta sample addresses spread across ZIPs 30004, 30005, 30009, 30022, refreshed 2026-07-20. Individual Alpharetta addresses vary — check yours directly. Here's how we verify Alpharetta provider data.