Incentive & Financing Calculators

Calculate tax credits, rebates, SRECs, and financing options for solar and EVs.

Calculate your true net solar cost using state rebates, SRECs, and any incentives you qualify for.

Calculate your SARS Section 12B/12BA accelerated depreciation for solar in South Africa.

Compare financed vs cash-paid solar over 25 years. APR, opportunity cost, and break-even.

Compare leasing vs buying solar panels — 20-year total cost and savings.

Not sure which calculator you need?

Start with the Energy Audit to see where your electricity actually goes.