Perpetual Power Completes 1-MW Solar-Powered Water Pumping Systems - Mitsubishi Electric & Electronics USA Inc. and Perpetual Power (P2) have completed the installation of four solar-powered deep water wells at Limoneira Company's Ducor Ranch in California. The four 250-kilowatt (kW) solar arrays that make up the proejct include single-axis tracking systems which are expected increase power output of each array by 15%. [Renewable Energy]