Solar panel yield in Marshalltown

Each kWp of solar panels in Marshalltown, at the best angle of 39°, produces about 1,512 kWh of electricity a year – worth $258 at today's household electricity price.

Yield per kWp
1,512 kWh
per year
Value per kWp
$258
if used at home, at today's tariff
Versus the United States average
−1%
1,530 kWh
Solar rank in the United States
1,302 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
Jan110
Feb127
Mar141
Apr136
May135
Jun136
Jul143
Aug140
Sep133
Oct117
Nov105
Dec91

A typical 5 kWp home system

A 5 kWp system in Marshalltown would produce about 7,562 kWh a year – 302% 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 Marshalltown →

Source: PVGIS © European Union, 2001–2026.

Updated: