SolarCity's net loss in the first quarter more than doubled year on year, to $75.2m, as it continues to spend heavily on sales and marketing to get leased PV systems in place that will generate revenue over the next two decades.

But in its earnings statement the company expressed “growing confidence in the outlook for both demand the scaling of our operations”, as it achieved record quarterly bookings of 136MW, and raised its full-year deployment guidance to 500MW-550MW.

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