The study, which examined five locales nationwide including Westchester, found that as
solar panels
and solar panel
and battery systems — which can cost in the low- to mid-five figures but are currently heavily subsidized by governments at the state and federal levels — become cheaper, the economic incentive to adopt will grow. Prices, the study found, will hold steady around 20 cents per kilowatt hour, with grid-only prices to jump to 40 cents by 2040.