#Mexico is moving to power California and Arizona. But who will pay for it?
Residents of the U.S. Southwest could one day power their homes with solar energy generated across the border — if a multi-pronged plan from the Mexican government comes to fruition. A 120-megawatt capacity photovoltaic (PV) plant in the Sonoran seaside city of Puerto Peñasco already began feeding the national grid last month, while another 300…