Winter output: what to expect from your panels
Panels keep producing in winter, just less. How short days, low sun and snow affect output over a year.
A typical array produces three to five times more in June than in December. That is normal and already part of your yield estimate.
Cold is not the problem
Panels actually work slightly more efficiently in cold weather. Short days and a low sun angle are what reduce output.
Snow
Snow slides off tilted panels within a day or two of sunshine. Please do not climb onto the roof to clear it.
Have a question about your own roof or bill? Our advisors reply within one working day.
Keep reading
More from the journal
How to size a home battery without overspending
Bigger is not always better. Here is a simple way to match battery capacity to your evening use and your solar array.
Read article
Five questions to ask before you sign a solar quote
Warranties, yield estimates, roof checks and aftercare. What separates a good solar offer from a cheap one.
Read article
Solar for warehouses: where the savings really come from
Large flat roofs and daytime demand make warehouses ideal for solar. Here is how the business case actually works.
Read article