Maine Solar is a offgrid solar company only no gridtie systems same location since 1975 .Maine Solar specializes in sizing, system design, and sales for all your off grid power systems.Over 55 years of expertise and integrity in Solar Energy.  Accurate sizing and calculations.  In stock all off-grid energy components including Maine Solar workshop built pre-programmed inverter boards, ground mount solar racks, interconnected 4/0 battery cables.  Pre-wired combiner boxes, European and U.S. Solar modules.  Liquid tight conduit and cables.  Shop built battery boxes, pre-wired component sales, expert design and technical experience.