Solar panels in Cambridge, Ontario
Same sun as Kitchener and Waterloo, different utility, same provincial rules.
Cambridge is modelled at 1,155 kWh per kW a year with a payback of 9 to 12 years on a 9 kW system saving about $2,050 — identical to Kitchener and Waterloo. The difference is the distributor: Cambridge is served by GrandBridge Energy, which also serves Brantford, while its two neighbours are on Enova Power. That changes the paperwork and the timeline, not the return.
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Real Xolar installs in Cambridge
Completed systems across the Cambridge service area — first-hand specs, not industry averages.
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Cambridge — 16.8 kW rooftop
South-facing asphalt shingle · completed October 2022 · 36 progress photos on file
What 6 real Cambridge installs tell us
Aggregated from completed Xolar systems in Cambridge — first-hand data, not industry averages.
Cambridge energy & net metering
What GrandBridge Energy charges here, and how surplus solar is credited in Ontario.
Ontario’s Time–of–Use electricity rates range from 9.8¢/kWh (off–peak) to 20.3¢/kWh (on–peak), with mid–peak at 15.7¢/kWh (OEB RPP, Nov 2025–Oct 2026). Cambridge electricity is distributed by GrandBridge Energy. Solar panels generate most during daytime on–peak hours, earning you credits at the highest rate. The Ontario Electricity Rebate provides a 23.5% discount on your bill.
GrandBridge Energy Time-of-Use rates in Cambridge
What a kilowatt-hour costs at each tier, and the hours each one applies — OEB Regulated Price Plan, Nov 2025 – Oct 2026. Rates are set province-wide by the Ontario Energy Board, so they are the same whichever utility bills you; only delivery charges differ.
GrandBridge Energy peak hours, by season
The tiers hold all year; the hours switch twice a year. Weekends and statutory holidays bill at the off-peak rate all day, in both seasons.
On-peak power costs 2.1× what the same kilowatt-hour costs off-peak. At the Ontario Energy Board's benchmark of 700 kWh a month, that is the difference between $68.60 and $142.10 on the electricity line alone — delivery and regulatory charges are billed separately, and the Ontario Electricity Rebate then takes 23.5% off the total.
This is why solar pays better here than a flat rate would suggest. A rooftop array produces most between 11 a.m. and 5 p.m. — precisely the summer on-peak window — so the power it offsets is the most expensive power Cambridge buys.
How your system works behind the meter
Most of a Cambridge system's value comes from power used behind the meter — electricity your panels make and your home uses on the spot, offsetting energy you'd otherwise buy at 9.8¢/kWh. Only the surplus flows past the meter to GrandBridge Energy for net-metering credit.
Rebates & incentives in Cambridge
Every active local, provincial, federal and Xolar program a Cambridge homeowner can stack.
- Up to $7,500Home Renovation Savings Program (HRSP) – Heat Pump
- Up to $5,000Home Renovation Savings Program (HRSP) – Solar
- Up to $5,000Home Renovation Savings Program (HRSP) – Battery
- Up to 30% of eligible costsClean Technology Investment Tax Credit (Commercial ITC)
Solar Panels in Cambridge, Ontario
Cambridge completes the Tri-Cities corridor with 1,155 kWh per kW production annually. GrandBridge Energy distributes electricity. Same strong production as neighbouring Kitchener and Waterloo.
Ontario’s net metering program credits excess solar at the full retail rate. HRSP ($10K for solar + battery) or net metering available – but not both.
Ontario HRSP - Up to $10,000 for Solar + Battery
Ontario’s Home Renovation Savings Program (HRSP), launched January 2025, offers:
- Up to $5,000 for solar panels ($1,000/kW)
- Battery storage at $300/kWh up to $5,000
- HRSP maximums are per category rather than one shared pot: up to $10,000 for solar and storage, up to $12,000 for heat pumps, up to $7,700 for insulation
Important – HRSP vs. Net Metering: Solar installed under HRSP must be sized for on-site load displacement only – net metering is not permitted under HRSP. If you prefer net metering (earning 1:1 credits for excess solar), you would not apply through HRSP. Your Xolar advisor can help determine which option provides the best return.
Note: The Canada Greener Homes Grant and Loan programs are now closed.
Galt, Preston and Hespeler Are One City and Three Different Roofscapes
Cambridge was formed from Galt, Preston and Hespeler, and the housing that came with each is still distinguishable. For solar that matters more than the city-level figure does.
Cambridge is modelled at 1,155 kWh per kW a year — identical to Kitchener and Waterloo, mid-table for Ontario, and a perfectly workable resource. But a single number across a city assembled from three older centres plus newer subdivisions is doing a lot of averaging. Older stone and brick housing in Galt tends toward steeper roofs, smaller planes and mature tree cover. Newer development on the edges gives large, simple, unobstructed roofs of the kind solar designers prefer.
The practical consequence is that the spread between two Cambridge addresses is wider than the spread between Cambridge and the provincial leaders. Chatham-Kent, the sunniest city in Ontario, is 1,210 — about five per cent ahead. A mature maple to the south-west of a Galt rooftop can cost more than that on its own.
So the question worth asking an installer is not how Cambridge compares with elsewhere. It is what they assumed about your particular roof: its orientation, its pitch, how much of the array fits on the best plane, and what shades it in October when the sun is low rather than in July when it is high.
A quote for a Hespeler bungalow and one for a Galt semi are not comparable documents, even at the same system size.
GrandBridge Distributes Here, and the Rules Still Come From the Province
Cambridge is served by GrandBridge Energy, which also distributes in Brantford. Kitchener and Waterloo next door are on Enova Power. It is a reasonable thing to wonder about when comparing quotes across the tri-cities, so it is worth saying plainly what the distributor does and does not decide.
It does not decide the price of electricity. Time-of-Use rates are set by the Ontario Energy Board: 9.8 cents off-peak, 15.7 mid-peak, 20.3 on-peak. It does not decide the connection threshold — the 12 kW limit for simplified micro-embedded generation is an OEB rule, raised from 10 kW on 1 May 2026, and applies through every distributor in the province. It does not decide your rebate: the Home Renovation Savings Program pays up to $10,000 for solar panels and battery storage together and is provincial. Nor the 23.5% Ontario Electricity Rebate.
What it does decide is the practical path. Your net metering application goes to GrandBridge, its engineering review is theirs, the offer to connect comes from them and they install the meter. Those steps set your timeline.
So if a Cambridge quote and a Kitchener quote differ, the utility is not the reason. At 1,155 kWh per kW both cities model identically, both sit under the same provincial rules, and the difference will be in the two roofs and the two installers.
Ask about the connection timeline by all means. Just do not expect the distributor to change what the system is worth.
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Areas We Serve in Cambridge
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What Cambridge homeowners say
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"I had a call today with Spencer, he was extremely helpful."
"Xolar installed panels to our home. They were very professional and excellent at getting back to us. I would definitely recommend them to others ."
"Xolar rep is very knowledgeable about solar product and the government rebates that can help make the project happen. Spencer was able to answer all my questions and made the decision to proceed with the application an easy one."
"Installed 47 solar panels for an excellent price. No issues."
"Had a very complex installation, quite large with lots of features, with the solar array powering two homes. Took a while to complete and there were a few technical glitches along the way but they were taken care of. Quality of product and Technicians was excellent. It would be 5 stars if there was better communications. Several times I had to repeat emails trying to get answers."
"Part one- the quote: Dylan was friendly, communicates clearly, promptly, and through convenient methods. His quote and explanations are precise and transparent. A good experiencePart two- installation in update post"
Cambridge solar questions
Is Cambridge good for solar?
Yes.
Same production as Kitchener and Waterloo at 1,155 kWh/kW.
HRSP ($10K for solar + battery) or net metering available.
Payback: 9-12 years.
What solar rebates are available in Cambridge?
Ontario’s HRSP provides up to $5,000 for solar + battery storage at $300/kWh up to $5,000 (heat pumps carry a separate $12,000 maximum).
Important: HRSP solar cannot use net metering – customers must choose one or the other.
The federal Greener Homes programs are now closed.
Who provides electricity in Cambridge?
GrandBridge Energy distributes electricity.
Ontario’s Time-of-Use rates: 9.8¢ off-peak, 15.7¢ mid-peak, 20.3¢ on-peak.
The Ontario Electricity Rebate provides a 23.5% discount.
How does net metering work in Cambridge?
GrandBridge Energy offers 1:1 net metering – excess solar earns credits at the full retail rate.
Credits roll over for 12 months.
As of May 1, 2026, the net metering system size threshold was raised to 12 kW for residential customers.
Note: Solar under HRSP cannot use net metering.
Who distributes electricity in Cambridge?
GrandBridge Energy, which also serves Brantford.
Kitchener and Waterloo next door are on Enova Power instead, so the tri-cities are split across two distributors.
For a solar customer that decides the administrative path — your net metering application, the engineering review, the offer to connect and the meter installation all come from GrandBridge — and therefore your timeline.
It does not decide what the system is worth: Time-of-Use rates, the 12 kW simplified-connection threshold, the $10,000 Home Renovation Savings Program and the 23.5% Ontario Electricity Rebate are all provincial and identical across every Ontario distributor.
Is Cambridge as good for solar as Kitchener or Waterloo?
Identical, on every figure this site holds.
All three are modelled at 1,155 kWh per kW a year, assume a 9 kW typical system, quote about $2,050 in annual saving and a payback of 9 to 12 years.
The only difference is the distributor — GrandBridge Energy here, Enova Power there — which affects paperwork and timeline rather than return.
What will actually separate two Cambridge homes is roof orientation, pitch and shading, and in a city assembled from Galt, Preston and Hespeler plus newer subdivisions, that varies more within the city than between the tri-cities.
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