Solar panel yield in Great Falls

Each kWp of solar panels in Great Falls, at the best angle of 44°, produces about 1,608 kWh of electricity a year – worth $250 at today's household electricity price.

Yield per kWp
1,608 kWh
per year
Value per kWp
$250
if used at home, at today's tariff
Versus the United States average
+5%
1,530 kWh
Solar rank in the United States
868 of 4,349

Monthly yield of 1 kWp

JanFebMarAprMayJunJulAugSepOctNovDec
Long-term average monthly production (PVGIS), panels facing south at the optimal angle, 14 % system losses.
Show the data as a table
MonthkWh
Jan103
Feb118
Mar154
Apr151
May151
Jun149
Jul165
Aug162
Sep143
Oct125
Nov100
Dec88

A typical 5 kWp home system

A 5 kWp system in Great Falls would produce about 8,039 kWh a year – 322% of the 2,500 kWh our default home uses.

Payback

How fast a system pays for itself depends on its price, how much of the power you use yourself and the feed-in tariff. Try your own numbers: Solar payback calculator →

Cost of running a home in Great Falls →

Source: PVGIS © European Union, 2001–2026.

Updated: