Solar Asset Trust filed for bankruptcy. It was the keystone of obama's solar energy plan. Solar Trust seeks bankruptcy protection in Del. How much stimulus did they launder back to the DNC? Interior Secretary Ken Salazar and California Gov. Jerry Brown were on hand last June when Solar Trust broke ground on a 1,000-megawatt project in California. The project was touted as the world's largest solar power plant and a keystone of the Obama administration's efforts to promote solar energy. Less than a year, including building the facility.