Solar Panel Calculator for Charlottetown, PE
Estimate the cost, savings and payback of solar panels in Charlottetown, PE, using local NREL sunshine data, provincial prices and the local electricity rate.
Your result
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Charlottetown gets about 4.03 peak sun hours a day on a south-facing roof, so each kW of panels makes about 1,177 kWh a year. That ranks #106 of the 111 cities on this site. Output peaks in Jul and is lowest in Dec.
Sunshine in Charlottetown by month
What an 8 kW system makes in Charlottetown
| Month | Sun hours a day | Output | Bill savings |
|---|---|---|---|
| Jan | 1.98 | 424 kWh | C$83 |
| Feb | 2.82 | 544 kWh | C$107 |
| Mar | 4.36 | 912 kWh | C$180 |
| Apr | 5.50 | 1,080 kWh | C$213 |
| May | 5.43 | 1,072 kWh | C$211 |
| Jun | 5.95 | 1,104 kWh | C$217 |
| Jul | 6.22 | 1,160 kWh | C$228 |
| Aug | 5.25 | 992 kWh | C$195 |
| Sep | 4.66 | 880 kWh | C$173 |
| Oct | 2.94 | 592 kWh | C$117 |
| Nov | 1.84 | 368 kWh | C$72 |
| Dec | 1.39 | 296 kWh | C$58 |
| Year | 4.03 | 9,416 kWh | C$1,854 |
Savings at 19.69¢ per kWh, with every kWh credited at that price.
Cost and payback by system size
At C$2.94 per watt, the midpoint of the Prince Edward Island range, before incentives.
| System | Cost | Year 1 savings | Payback | 25-yr gain |
|---|---|---|---|---|
| 4 kW | C$11,760 | C$927 | 13.1 yrs | C$10,076 |
| 6 kW | C$17,640 | C$1,391 | 13.1 yrs | C$15,115 |
| 8 kW | C$23,520 | C$1,854 | 13.1 yrs | C$20,153 |
| 10 kW | C$29,400 | C$2,318 | 13.1 yrs | C$25,191 |
| 12 kW | C$35,280 | C$2,781 | 13.1 yrs | C$30,229 |
How many panels you need in Charlottetown
| Monthly use | System | 400 W panels |
|---|---|---|
| 500 kWh | 5.10 kW | 13 |
| 750 kWh | 7.65 kW | 20 |
| 1,000 kWh | 10.20 kW | 26 |
| 1,500 kWh | 15.29 kW | 39 |
| 2,000 kWh | 20.39 kW | 51 |
Covering 100% of a year's use at 1,177 kWh per kW.
Common questions
Is solar worth it in Charlottetown?
At local averages an 8 kW system costs about C$23,520 before incentives, saves about C$1,854 in its first year and pays back in about 13.1 years.
How many peak sun hours does Charlottetown get?
About 4.03 a day over the year on a south-facing roof at 20°, from 1.4 in Dec to 6.2 in Jul, according to NREL's PVWatts model.
How much does a 1 kW solar system produce in Charlottetown?
About 1,177 kWh a year, or 98 kWh a month on average.
Are there solar incentives in Canada?
Programs change often and differ by province and utility. Check with your provincial energy department and your utility before you buy.
Sources
- NREL PVWatts V8 API (south-facing, 20° tilt, 14% losses, typical-year weather): https://developer.nlr.gov/docs/solar/pvwatts/v8/
- Hydro-Québec, Comparison of Electricity Prices in Major North American Cities, 2025 (1,000 kWh a month, before tax): https://www.hydroquebec.com/data/documents-donnees/pdf/comparaison-prix-2025-en.pdf
- Green Building Canada, Solar panel costs in Canada by province (2026): https://greenbuildingcanada.ca/solar-panels-cost-canada/