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SolarMyBill

Ontario · population 422,000

Solar in London

London Hydro serves the city. London has a large stock of detached homes on reasonably sized lots, and many have roofs with room for a full-size system. Mature tree canopy in older neighbourhoods can cut output, so a shade check matters here.

Sample system
7.7 kW
18 panels, $180/month bill
Year-1 savings
$1,542
Pays back in
12.0 years
Good fit
Output per kW
1,082 kWh
a year, our model

Month by month

What a 7.7 kW system makes in London

8,375 kWh a year, kWh per month. Summer covers far more than you use; winter covers little. Credits from summer carry into winter (12 months).

Your utility: London Hydro

Net metering, 1:1 credits, 12-month rollover. Power you send to the grid earns a credit against power you buy later.

London Hydro rates and solar

What it costs

At $2.42–$3.05 per watt installed, the sample 7.7 kW system runs about $18,731–$23,607 before rebates. Source

Programs

Rebates and loans for London homes

OntarioHome Renovation Savings Program — solar$1,000 per kW up to $5,000 (max 50% of cost). Systems must be sized for on-site use only; net metering is not allowed.
OntarioHome Renovation Savings Program — battery$300 per kWh, up to $5,000 (max 50% of cost) for a qualifying battery installed together with new solar panels. Batteries added to existing solar, or on their own, don’t qualify.

Programs change often. See all incentives and what’s changed.

Questions

Solar in London: FAQ

Is solar worth it in London?
For our sample London home with a $180 monthly bill, solar rates as "good fit": about $1,542 saved in the first year and a payback of 12.0 years. Your roof, shade and usage decide the real answer.
How much do solar panels cost in London?
Installed prices in Ontario typically run $2.42 to $3.05 per watt, so a 7.7 kW system is roughly $18,731 to $23,607 before rebates.
How much electricity do solar panels make in London?
In our model, each kW of well-placed panels makes about 1,082 kWh a year here. Output in December is a fraction of June’s.
Does London Hydro credit solar power I send to the grid?
Net metering, 1:1 credits, 12-month rollover. Power you send to the grid earns a credit against power you buy later.
Are there solar rebates or loans in London?
There’s no city program we can confirm, but Ontario homes may qualify for: Home Renovation Savings Program — solar, Home Renovation Savings Program — battery. Check current status before you sign.

Savings use the SolarMyBill model for a sample home with a $180 monthly bill on London Hydro’s default plan, sized for best payback.

Your roof

Check your London home

Your roof from above, your bill, your utility. About a minute.

Or try a sample roof: , ,

Other Ontario cities