When will the power be back in Lambton County (Sarnia area), ON?
Live outage status from the utilities we track in Ontario · updated ~every 15 minutes
No significant region-wide outage reported in Lambton County (Sarnia area), ON right now.
Lights out where you are? Very small or brand-new outages can take a few minutes to reach region-level data — check your exact address on the live map, and see what to check before you report it.
Elsewhere in Ontario: 3,078 customers reported out — province-wide status.
Updated 3:00 AM EDT.
Numbers come from Hydro One's public outage data — the tracked utility whose own outage reports name places in this area. Missing data is not the same as zero outages.
Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been
About power in Lambton County (Sarnia area)
Lambton is a county in Ontario — about 128,154 residents. Ontario has many local electricity utilities, so coverage here is per-utility — customers of utilities we don't yet track won't appear in these numbers.
Communities here include Sarnia, St. Clair, Lambton Shores, Plympton-Wyoming, Petrolia and Warwick — 14 communities in all.
See the Ontario page for which utilities we track province-wide.
Outage history — Lambton County (Sarnia area), ON
Last significant outage: Sep 28, 2026 — peaked at 240 customers, restored in ~4.7 hr.
Across the 8 significant outages tracked here, restoration typically ran about 3.3 hr.
This division-level list covers larger outages (about 200+ customers at peak, lasting 30 minutes or more) — oldest listed: Jul 29, 2026. Smaller or briefer interruptions aren't listed.
Nearby areas
