DC Financial Incentives:
Federal: (Business Solar Tax Credit)
Cash Rebate or Income tax credit
30% of net cost of the system
The GreenEnergyDC incentive program pays: 

• $3 for each of the first 3,000 installed watts;
• $2 for each of the next 7,000 watts; and
• $1 for each of the next 10,000 installed watts.