Compare price and performance of the Top Brands to find the best 1MW solar system. For large commercial or utility-scale, save 30% with a solar. . This high-power, low cost solar energy system generates one mega-watt or 1,000,640 watts (1 mW) of grid-tied electricity with (1,696) 590 watt Axitec XXL bi-facial model PS590M8GF-24/TNH, SMA Sunny High-power three-phase inverter (s), DC string combiners,. Department of Energy (DOE) Solar Energy Technologies Office (SETO) and its national laboratory partners analyze cost data for U. solar photovoltaic (PV) systems to develop cost benchmarks. These benchmarks help measure progress toward goals for reducing solar electricity costs. . How much does a 1 megawatt solar panel cost per meter? 1. The cost of a 1 megawatt solar panel can vary significantly, with prices typically around $1,000 to $3,000 per meter, depending on manufacturing technology, installation complexities, and geographical factors. Installation adds another layer. .