....With memories still fresh from the energy crisis that sent California's electricity prices soaring, commercial landlords are beginning to install on- site power systems, known as distributive generation, as a way to lessen dependency on the Pacific Gas and Electric Co. grid. .....The state of California could end up running the most influential experiment with on-site power, with tens of millions of square feet of office space potentially using the technology. So far, the state has installed pilot systems in the state office building on Golden Gate Avenue, the Public Utilities Commission headquarters on Van Ness Avenue and the Elihu...