Solar System Sizing Tool — All 50 States
Not sure how big a solar system you need? Our sizing tool recommends the right system size based on your electricity bill, home size, and local solar conditions. Select your state below to get started.
Alabama
ALAvg bill: $163/mo · 4.7h sun/day · Avg home: 1,850 sq ft
Alaska
AKAvg bill: $175/mo · 3h sun/day · Avg home: 1,700 sq ft
Arizona
AZAvg bill: $168/mo · 6.5h sun/day · Avg home: 1,900 sq ft
Arkansas
ARAvg bill: $130/mo · 4.8h sun/day · Avg home: 1,750 sq ft
California
CAAvg bill: $250/mo · 5.8h sun/day · Avg home: 1,800 sq ft
Colorado
COAvg bill: $145/mo · 5.5h sun/day · Avg home: 1,950 sq ft
Connecticut
CTAvg bill: $220/mo · 4.2h sun/day · Avg home: 1,800 sq ft
Delaware
DEAvg bill: $140/mo · 4.4h sun/day · Avg home: 1,750 sq ft
Florida
FLAvg bill: $175/mo · 5.5h sun/day · Avg home: 1,950 sq ft
Georgia
GAAvg bill: $155/mo · 4.8h sun/day · Avg home: 1,900 sq ft
Hawaii
HIAvg bill: $300/mo · 5.5h sun/day · Avg home: 1,450 sq ft
Idaho
IDAvg bill: $120/mo · 4.8h sun/day · Avg home: 1,850 sq ft
Illinois
ILAvg bill: $145/mo · 4.2h sun/day · Avg home: 1,850 sq ft
Indiana
INAvg bill: $145/mo · 4.2h sun/day · Avg home: 1,800 sq ft
Iowa
IAAvg bill: $130/mo · 4.3h sun/day · Avg home: 1,700 sq ft
Kansas
KSAvg bill: $140/mo · 5h sun/day · Avg home: 1,750 sq ft
Kentucky
KYAvg bill: $140/mo · 4.2h sun/day · Avg home: 1,800 sq ft
Louisiana
LAAvg bill: $145/mo · 4.8h sun/day · Avg home: 1,850 sq ft
Maine
MEAvg bill: $155/mo · 4h sun/day · Avg home: 1,600 sq ft
Maryland
MDAvg bill: $165/mo · 4.5h sun/day · Avg home: 1,900 sq ft
Massachusetts
MAAvg bill: $200/mo · 4.1h sun/day · Avg home: 1,700 sq ft
Michigan
MIAvg bill: $145/mo · 3.8h sun/day · Avg home: 1,800 sq ft
Minnesota
MNAvg bill: $130/mo · 4h sun/day · Avg home: 1,800 sq ft
Mississippi
MSAvg bill: $145/mo · 4.8h sun/day · Avg home: 1,750 sq ft
Missouri
MOAvg bill: $145/mo · 4.5h sun/day · Avg home: 1,800 sq ft
Montana
MTAvg bill: $120/mo · 4.5h sun/day · Avg home: 1,750 sq ft
Nebraska
NEAvg bill: $125/mo · 4.6h sun/day · Avg home: 1,700 sq ft
Nevada
NVAvg bill: $155/mo · 6.2h sun/day · Avg home: 1,900 sq ft
New Hampshire
NHAvg bill: $165/mo · 4h sun/day · Avg home: 1,750 sq ft
New Jersey
NJAvg bill: $165/mo · 4.3h sun/day · Avg home: 1,850 sq ft
New Mexico
NMAvg bill: $110/mo · 6.3h sun/day · Avg home: 1,800 sq ft
New York
NYAvg bill: $185/mo · 3.8h sun/day · Avg home: 1,700 sq ft
North Carolina
NCAvg bill: $145/mo · 4.8h sun/day · Avg home: 1,900 sq ft
North Dakota
NDAvg bill: $125/mo · 4.2h sun/day · Avg home: 1,650 sq ft
Ohio
OHAvg bill: $140/mo · 3.9h sun/day · Avg home: 1,800 sq ft
Oklahoma
OKAvg bill: $135/mo · 5.2h sun/day · Avg home: 1,800 sq ft
Oregon
ORAvg bill: $125/mo · 4h sun/day · Avg home: 1,750 sq ft
Pennsylvania
PAAvg bill: $155/mo · 4h sun/day · Avg home: 1,850 sq ft
Rhode Island
RIAvg bill: $175/mo · 4.1h sun/day · Avg home: 1,550 sq ft
South Carolina
SCAvg bill: $155/mo · 5h sun/day · Avg home: 1,850 sq ft
South Dakota
SDAvg bill: $130/mo · 4.5h sun/day · Avg home: 1,650 sq ft
Tennessee
TNAvg bill: $145/mo · 4.5h sun/day · Avg home: 1,900 sq ft
Texas
TXAvg bill: $175/mo · 5.5h sun/day · Avg home: 2,050 sq ft
Utah
UTAvg bill: $120/mo · 5.5h sun/day · Avg home: 2,000 sq ft
Vermont
VTAvg bill: $140/mo · 3.8h sun/day · Avg home: 1,600 sq ft
Virginia
VAAvg bill: $155/mo · 4.5h sun/day · Avg home: 1,950 sq ft
Washington
WAAvg bill: $125/mo · 3.5h sun/day · Avg home: 1,900 sq ft
West Virginia
WVAvg bill: $140/mo · 4h sun/day · Avg home: 1,700 sq ft
Wisconsin
WIAvg bill: $130/mo · 3.8h sun/day · Avg home: 1,750 sq ft
Wyoming
WYAvg bill: $115/mo · 5h sun/day · Avg home: 1,750 sq ft
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