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Solar panels in Casablanca, Morocco: output, cost and payback
In Casablanca, each kWp of solar panels produces about 1,646 kWh a year. For an electricity bill of 500 MAD a month, a 2.5 kWp system (about 27,500 MAD) saves around 3,086 MAD a year and pays for itself in 9.8 years.
Calculate for my address in Casablanca →Solar output in Casablanca is 1% below the average of the 35 cities studied.
Payback by electricity bill
| ONEE bill | Consumption | Recommended size | Investment | Output | Year-1 savings | Payback | Net gain over 25 years |
|---|---|---|---|---|---|---|---|
| 300 MAD/month | 288 kWh/month | 1.5 kWp (3 panels) | 16,500 MAD | 2,469 kWh/yr | 1,660 MAD | 11.0 years | 29,229 MAD |
| 500 MAD/month | 434 kWh/month | 2.5 kWp (5 panels) | 27,500 MAD | 4,115 kWh/yr | 3,086 MAD | 9.8 years | 58,276 MAD |
| 800 MAD/month | 631 kWh/month | 3.5 kWp (7 panels) | 38,500 MAD | 5,761 kWh/yr | 4,933 MAD | 8.5 years | 100,003 MAD |
| 1,200 MAD/month | 882 kWh/month | 5 kWp (10 panels) | 55,000 MAD | 8,230 kWh/yr | 7,458 MAD | 8.0 years | 155,163 MAD |
Your roof, its orientation and your quote change these figures. The simulator recalculates them for your exact address, with your actual roof area.
Month-by-month solar output in Casablanca
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 119 | 118 | 142 | 148 | 152 | 149 | 158 | 157 | 143 | 133 | 112 | 117 |
Frequently asked questions
How much does a solar panel produce in Casablanca?
A well-oriented 500 Wp panel produces about 823 kWh a year in Casablanca, or 1,646 kWh per installed kWp (PVGIS, roof tilted 30° due south). Output ranges from 112 kWh per kWp in the weakest month to 158 kWh in the strongest.
How much does a home solar system cost in Casablanca?
For a home with a 500 MAD monthly bill, you need about 2.5 kWp, or 5 panels, for a budget of around 27,500 MAD at 11 MAD per watt-peak. The actual price depends on the installer, the equipment and the roof.
Is solar worth it in Casablanca?
For most households, yes: with a 500 MAD monthly bill, the system pays for itself in 9.8 years and returns about 58,276 MAD net over 25 years. The higher the bill, the faster the payback, because solar replaces the most expensive tranches of the ONEE tariff first.
Can you sell surplus solar power to the grid in Casablanca?
Morocco's self-generation law 82-21 allows surplus power to be fed into the grid, capped at 20% of yearly output. The residential buy-back tariff has not been published yet, so the figures on this page leave it out: they are conservative estimates.
Method and sources
- Output: PVGIS v5.2 (European Commission Joint Research Centre), at the city centre, rooftop panels tilted 30° due south, 14% system losses.
- Savings: ONEE low-voltage residential tariff by tranche (tax included). Solar replaces the most expensive kWh of the bill first. The share used on site depends on system size; no surplus sales.
- Sizing: a system covering about 80% of yearly consumption, rounded to half a kWp, with 500 Wp panels.
- Cost: 11 MAD per installed watt-peak (an assumption: use your installer's quote). Maintenance 1% a year, 0.5% yearly output loss, 2% yearly tariff rise, 25-year life.
Other cities
Same region: Mohammedia (1,632 kWh/kWp) · El Jadida (1,692 kWh/kWp) · Settat (1,653 kWh/kWp) · Berrechid (1,620 kWh/kWp)
Rabat · Marrakesh · Fez · Tangier · Agadir · Meknes · Oujda · Kenitra · Tetouan · Salé · Temara · Safi · Essaouira · Benguerir · Beni Mellal · Khouribga · Nador · Al Hoceima · Larache · Taza · Ifrane · Khemisset · Inezgane · Taroudant · Tiznit · Ouarzazate · Errachidia · Guelmim · Laayoune · Dakhla
Guides: how many panels? · installation cost · ONEE tariff · Law 82-21 · Taqa Pro installers