When one reads that by 2020 an “energy trio” purchase of solar roof plus electric vehicle plus domestic battery will be able to pay for itself within six to eight years, while giving a 7% pre-tax return on investment, how could it be otherwise? Especially when that prognosis comes from a team of analysts at the world’s biggest private bank.
OPINION: Jeremy Leggett
There are days of late when the solar revolution seems to be an inevitability, and an imminent one.
5 November 2014 12:47 GMT
Updated
27 September 2016 5:56 GMT
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