September 2, 2024

Best States for Commercial Solar

Best States for Commercial Solar Economics

A Table of State Incentives, Rates, and Other Useful Data Points – Updated December 2023

Currently, our top states for commercial solar projects include California, Illinois, New Jersey, Rhode Island, Massachusetts, New York, Michigan, and Pennsylvania, however many states are still attractive depending on the area and financial models available like PPAs and proprietary programs.

Solar economics are influenced by a variety of factors. The table below provides an overview of key elements such as local solar incentives, state clean energy targets, net metering policies, and average electricity costs.

No. State Main Electric Utility 2nd Largest Utility Name of Local Incentive Program State Clean Energy Goal Net Metering Avg. Commercial Electricity Price (cents/kWh) Avg. Industrial Electricity Price (cents/kWh)
1 California PG&E Southern California Edison California Solar Initiative (CSI), Self-Generation Incentive Program (SGIP) 100% carbon-free electricity by 2045 Full Retail 16.58 13.05
2 Connecticut Eversource United Illuminating Connecticut Green Bank, Residential Solar Investment Program 100% carbon-free electricity by 2040 Full Retail 15.5 13.12
3 Massachusetts National Grid Eversource Massachusetts Solar Loan Program, SMART Incentive Program Net-zero greenhouse gas emissions by 2050 Full Retail 15.36 12.38
4 Vermont Green Mountain Power Vermont Electric Coop Vermont Small Scale Renewable Energy Incentive Program Full Retail 14.96 11.35
5 New Hampshire Eversource Liberty Utilities New Hampshire PUC Solar Rebate, Renewable Energy Fund Grants Full Retail 14.82 12
6 Rhode Island National Grid Rhode Island Renewable Energy Fund, REF Small-Scale Solar Grants 100% renewable energy electricity by 2033 Full Retail 14.45 11.92
7 New York ConEd National Grid NY-Sun Initiative, Energy Efficiency Programs 100% carbon-free electricity by 2040 Full Retail 13.2 6.52
8 Maine Central Maine Power Versant Power Efficiency Maine Trust Incentive Program 100% clean energy by 2050 Full Retail 12.58 8.68
9 New Jersey PSEG Jersey Central Power & Light New Jersey Clean Energy Program, Solar Renewable Energy Certificates 100% carbon free electricity by 2035 Full Retail 11.64 9.62
10 Maryland Baltimore Gas & Electric Pepco Maryland Energy Administration Solar Grants, EmPOWER Maryland Net-zero greenhouse gas emissions by 2045 Full Retail 10.53 7.82
11 Michigan Consumers Energy DTE Energy Michigan Saves Home Energy Loan Program, Utility Rebate Program Economy-wide carbon neutrality by 2050 Inflow/Outflow 10.4 7.09
12 Wisconsin We Energies Alliant Energy Focus on Energy Rebates, Renewable Rewards Program 100% carbon-free electricity by 2050 Yes 10.37 7.34
13 Florida Florida Power & Light Duke Energy Florida Florida PACE Financing Program, Solar Together Full Retail 10.36 8.01
14 Delaware Delmarva Power DEC Delaware Green Energy Program, Energize Delaware Full Retail 10.35 8.83
15 Arizona Arizona Public Service Tucson Electric Power Arizona Solar & Wind Incentives, Residential Arizona Public Service Solar Credit Avoided Cost 10.31 7.27
16 Montana Northwestern Energy Montana-Dakota Utilities Montana Renewable Energy Systems Tax Credit, Universal System Benefits Program Yes 10.25 6.75
17 Kansas Westar Energy KCP&L Kansas Energy Efficiency Interest Rate Reduction Program Yes 10.24 7.89
18 Ohio FirstEnergy AEP Ohio Ohio Energy Credits, Energy Efficiency Program for Businesses Full Retail 10.14 7.08
19 Missouri Ameren Missouri KCP&L Missouri Energy Efficiency Investment Act, Ameren Missouri Solar Rebate Program Full Retail 9.78 7.19
20 Colorado Xcel Energy Black Hills Energy Colorado Energy Office Programs, Xcel Energy Solar*Rewards Program 100% carbon-free electricity by 2050 for Xcel Energy Full Retail 9.75 6.85
21 New Mexico PNM El Paso Electric New Mexico Energy Conservation and Management Division Tax Credits, PNM Solar Incentives 100% carbon-free electricity by 2045 Full Retail 9.71 6.12
22 South Dakota Xcel Energy Black Hills Energy South Dakota Renewable Energy Systems Exemption Yes 9.69 6.95
23 Minnesota Xcel Energy Minnesota Power Minnesota Power SolarSense Program, Xcel Energy Solar*Rewards 100% carbon-free electricity by 2040 Full Retail 9.66 6.82
24 Indiana Duke Energy Indianapolis Power & Light Indiana Net Metering Avoided Cost 9.66 6.65
25 Tennessee Tennessee Valley Authority Tennessee Valley Authority Green Power Providers Yes 9.64 7.21
26 North Dakota Xcel Energy Basin Electric Power Coop North Dakota Property Tax Exemption for Renewables Yes 9.61 7.14
27 Mississippi Entergy Mississippi Mississippi Power Mississippi Net Metering Yes 9.59 7.02
28 Pennsylvania PECO Energy FirstEnergy Pennsylvania Sunshine Solar Rebate Program, Alternative Energy Portfolio Standards Full Retail 9.57 6.75
29 South Carolina Duke Energy Dominion Energy South Carolina Solar Rebate Program, Palmetto Clean Energy (PaCE) Program Full Retail 9.54 6.38
30 Georgia Georgia Power Georgia EMC Georgia Power Solar Buyback, Georgia Energy Efficiency and Conservation Block Grant Avoided Cost 9.54 6.65
31 Nebraska Nebraska Public Power District Omaha Public Power District Nebraska Dollar and Energy Savings Loans Net-zero carbon emissions from generation resources by 2050 for Nebraska Public Power District and Omaha Public Power District; 2040 for Lincoln Electric System Yes 9.45 6.53
32 Oklahoma Oklahoma Gas & Electric Public Service Company of Oklahoma Oklahoma Energy Efficient Homes Package, OG&E Solar Power Program Voluntary 9.37 6.75
33 Alabama Alabama Power TVA AlabamaSAVES Revolving Loan Program Limited 9.37 6.63
34 Wyoming Rocky Mountain Power Wyoming Business Council Renewable Energy Grants Yes 9.24 7.71
35 West Virginia FirstEnergy Appalachian Power West Virginia Energy Efficiency Program Yes 9.15 6.58
36 Oregon Pacific Power Portland General Electric Oregon Energy Trust Solar Incentive Program, Oregon Solar + Storage Rebate Program Greenhouse gas emissions reduced 100 percent below baseline emissions by 2040 Full Retail 9.07 6.45
37 Kentucky LG&E KU Kentucky Public Utilities Commission Demand-Side Management Programs Yes 9.03 7.19
38 Alaska Chugach Electric Golden Valley Alaska Renewable Energy Fund, Alaska Energy Efficiency Interest Rate Reduction Program Yes 8.96 7.03
39 Illinois ComEd Ameren Illinois Solar for All Program, Future Energy Jobs Act 100% clean energy by 2050 Full Retail 8.96 6.52
40 Iowa MidAmerican Energy Alliant Energy Iowa Energy Center Alternative Energy Revolving Loan Program Yes 8.96 5.95
41 Washington Puget Sound Energy Avista Washington Renewable Energy System Incentive Program, Washington Energy Efficiency Grants 100% zero-emissions electricity by 2045 Full Retail 8.86 4.79
42 Hawaii HECO KIUC Hawaii Energy Efficiency Program, GoSolar Hawaii 100% renewable energy by 2045 through the RPS Full Retail 8.8 6.98
43 Louisiana Entergy Louisiana Cleco Louisiana Net Metering, Louisiana Tax Credit for Solar Energy Systems Net zero greenhouse gas emissions by 2050 Full Retail 8.76 5.53
44 Virginia Dominion Energy Appalachian Power Virginia Clean Energy Program, Solarize Virginia 100% carbon-free electricity by 2045 for Dominion Energy and 2050 for Appalachian Power Company Pilot Program 8.71 6.59
45 North Carolina Duke Energy Dominion Energy North Carolina Clean Energy Technology Center Programs, Duke Energy Solar Rebates Carbon neutrality in the electricity sector by 2050 Full Retail 8.64 5.94
46 Nevada NV Energy Valley Electric Association Nevada Solar Energy Systems Incentive Program, NV Energy SolarGenerations Rebate Program 100% carbon-free electricity by 2050 Full Retail 8.63 6.22
47 Utah Rocky Mountain Power Utah Solar Incentive Program, Energy Efficiency Fund Transitioning 8.39 5.71
48 Arkansas Entergy Arkansas SWEPCO Arkansas Renewable Energy Development Incentive (REDI), Entergy Solutions Program Full Retail 8.34 6.08
49 Texas Oncor CenterPoint Energy Texas PACE Program, Oncor Solar Photovoltaic Standard Offer Program Full Retail 8.25 5.66
50 Idaho Idaho Power Avista Idaho Energy Efficiency Rebate Program, Idaho Power Solar Program. Yes 8.18 6.09