Hydro Ottawa Net Metering Guide 2026: How to Connect Solar
Everything you need to know to connect a residential solar system to Hydro Ottawa: net metering rules, connection process, fees, timeline, and contact info.
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Short answer
Hydro Ottawa administers net metering for its Ottawa-area customers under Ontario Regulation 541/05. Excess generation is credited at the retail rate and carries forward for up to 12 months before resetting to zero.
Hydro Ottawa Solar Connection Process
Confirm your rate plan
Confirm which Ontario rate plan you are on (TOU or ULO) — this affects when your solar production is most valuable.
Submit connection application
Submit an online Micro Embedded Generation application through the Hydro Ottawa website.
Impact assessment
Hydro Ottawa reviews the connection. A Connection Impact Assessment is issued for larger systems.
Sign net metering agreement
Sign the Net Metering Agreement issued by Hydro Ottawa.
Complete installation and ESA inspection
Complete installation and pass ESA inspection.
Meter installation and go live
Hydro Ottawa installs a bi-directional meter and activates the net metering account.
Hydro Ottawa Solar Connection Fees
| Fee item | Amount | Notes |
|---|---|---|
| Connection application fee | Not published — Connection Impact Assessment fee may apply on larger systems | Charged by the local distribution company at time of application. |
| Connection Impact Assessment | Varies | Applies to larger systems when local distribution capacity requires study. |
| ESA inspection | $130 to $250 | Ontario Electrical Safety Authority inspection is mandatory. |
| Bi-directional meter installation | Included or varies | Some utilities include the meter change in the standard connection; others charge separately. |
Fees change without notice. Confirm current amounts with Hydro Ottawa before signing an installer contract.
Connection Timeline
Set by the utility and it varies with site and system size. No connection date is promised until approvals are complete.
Contact Hydro Ottawa
Phone
613-738-6400
Service territory includes: Ottawa, Casselman.
Calculate Your Hydro Ottawa Solar Savings
Enter your address to see how much you could save with solar on the Hydro Ottawa rate structure.
Get a free estimateHydro Ottawa Net Metering FAQs
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