SolarCity Shifts Its Home Efficiency Strategy (Greentech Media) GTM and Stephen Lacey have been looking very hard at energy efficiency audit science and businesses. So has SolarCity Corp (NASDAQ: SCTY ). And SolarCity has decided to change its energy efficiency strategy. SolarCity moved further into energy efficiency in 2012 with financing from Admirals Bank, and "by making energy-saving measures more accessible and affordable," said CEO Lyndon Rive at the time. Admirals Bank, a federal savings bank with a history in home improvement, was to provide $2,500 to $15,000 per customer for efficiency measures to reduce a homeowner's natural gas and electricity costs by 20 percent to 50 percent.