The company booked 230MW of capacity during the quarter, up 154% on the same period last year.

Actual deployment of modules by SolarCity’s in-house technicians grew 77% to 137MW. Of that, 119MW went onto homes, with the remainder being installed on commercial and industrial rooftops.

SolarCity expects to deploy 505MW-520MW this year, and 920MW-1GW in 2015.

SolarCity drove its installation costs down 4% compared to last quarter, to $2.19/W,