California Votes to Require Rooftop Solar Power on New Homes
Requiring specific technical solutions is rarely a good idea. For example mandating that all new cars have catalytic converters is a common but not very good requirement. The requirement should be formulated as a goal/limit, not a solution.Having one solution required means you can’t innovate to find a cheaper or better solution to the same problem.The answer in this context would be to require a total net power draw for the home. Adding a production unit just gives more room in the calculation and not having one might mean more expensive insulation or smaller windows are needed instead.