Solar Production Guarantee — All 50 States

A solar production guarantee tells you exactly how much energy your system will generate over its lifetime. Production depends on your location, system size, panel quality, and installation factors like roof angle and shading. Select your state below to see expected year-by-year output, degradation rates, and lifetime savings based on local sun hours and electricity rates.

Alabama

AL

4.7h sun/day · 14.5¢/kWh

Alaska

AK

3h sun/day · 24.2¢/kWh

Arizona

AZ

6.5h sun/day · 14.1¢/kWh

Arkansas

AR

4.8h sun/day · 12.5¢/kWh

California

CA

5.8h sun/day · 32¢/kWh

Colorado

CO

5.5h sun/day · 15.5¢/kWh

Connecticut

CT

4.2h sun/day · 29.5¢/kWh

Delaware

DE

4.4h sun/day · 16¢/kWh

Florida

FL

5.5h sun/day · 15.5¢/kWh

Georgia

GA

4.8h sun/day · 14.2¢/kWh

Hawaii

HI

5.5h sun/day · 43¢/kWh

Idaho

ID

4.8h sun/day · 11.5¢/kWh

Illinois

IL

4.2h sun/day · 17.5¢/kWh

Indiana

IN

4.2h sun/day · 15¢/kWh

Iowa

IA

4.3h sun/day · 14.5¢/kWh

Kansas

KS

5h sun/day · 14.8¢/kWh

Kentucky

KY

4.2h sun/day · 13.5¢/kWh

Louisiana

LA

4.8h sun/day · 13¢/kWh

Maine

ME

4h sun/day · 22.5¢/kWh

Maryland

MD

4.5h sun/day · 17¢/kWh

Massachusetts

MA

4.1h sun/day · 28.5¢/kWh

Michigan

MI

3.8h sun/day · 18.5¢/kWh

Minnesota

MN

4h sun/day · 15.5¢/kWh

Mississippi

MS

4.8h sun/day · 13.5¢/kWh

Missouri

MO

4.5h sun/day · 14¢/kWh

Montana

MT

4.5h sun/day · 13¢/kWh

Nebraska

NE

4.6h sun/day · 13.5¢/kWh

Nevada

NV

6.2h sun/day · 16.5¢/kWh

New Hampshire

NH

4h sun/day · 24¢/kWh

New Jersey

NJ

4.3h sun/day · 18.5¢/kWh

New Mexico

NM

6.3h sun/day · 15¢/kWh

New York

NY

3.8h sun/day · 24.5¢/kWh

North Carolina

NC

4.8h sun/day · 13.5¢/kWh

North Dakota

ND

4.2h sun/day · 12.5¢/kWh

Ohio

OH

3.9h sun/day · 15.5¢/kWh

Oklahoma

OK

5.2h sun/day · 12.5¢/kWh

Oregon

OR

4h sun/day · 13.5¢/kWh

Pennsylvania

PA

4h sun/day · 18¢/kWh

Rhode Island

RI

4.1h sun/day · 27.5¢/kWh

South Carolina

SC

5h sun/day · 14.5¢/kWh

South Dakota

SD

4.5h sun/day · 13.5¢/kWh

Tennessee

TN

4.5h sun/day · 13¢/kWh

Texas

TX

5.5h sun/day · 14.5¢/kWh

Utah

UT

5.5h sun/day · 12.5¢/kWh

Vermont

VT

3.8h sun/day · 21.5¢/kWh

Virginia

VA

4.5h sun/day · 14.5¢/kWh

Washington

WA

3.5h sun/day · 12.5¢/kWh

West Virginia

WV

4h sun/day · 14¢/kWh

Wisconsin

WI

3.8h sun/day · 17¢/kWh

Wyoming

WY

5h sun/day · 12.5¢/kWh

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