Financed or not, the equipment needs to be owned, not leased.
And that is separate from the House.
Here:
https://www.irs.gov/newsroom/energy-incentives-for-individuals-residential-property-updated-question...
https://turbotax.intuit.com/tax-tips/going-green/federal-tax-credit-for-solar-energy/L7s9ZiB4D
