Please feel free to bookmark this page, as this will serve as a great launching post for all of you interested in buying invertors for grid tie and off grid power systems.

 Now this is important, as you will see a big difference in price on the invertors, the grid tie invertors cost more due to the ability to read the grid syne wave  / frequency and ensure you are putting clean power back on the grid.

The Public Utility Regulatory Policies Act (PURPA) of 1978 requires electric utilities to purchase power from independent power producers if certain conditions are met. You will need to contact your local utility and/or public utility commission to determine what these technical and operating requirements are, and the price that the utility will pay you for the electricity you generate. You may also need a license from FERC. The utility will require that you ensure the system. The interconnect requirements and insurance premiums may cost more than what you earn from selling the power.
 
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