On grid solar power system for Home, Farm, Factory,,,use Also can sale extra electricity to local city grid. 3kw 5kw 10kw 15kw 20kw 30kw 40kw 50kw 60kw 80kw 100kw 120kw 150kw 180kw.... 1MW Solution 15 years warranty 110v/220v/380v/400v/480v EU USA standard CE TUV IEC UL,,,etc certificatation