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Last Updated: 10/26/2017

Frequently Asked Questions

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Energy Production Taxes

651-556-6091
7:30 a.m.- 4:00 p.m. Mon.-Fri.

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Energy Production Taxes > Tax Information

  • How do I file the Solar or Wind Energy Production return?Back to top

    For 2016 and future years, you must file the Solar and Wind Energy Production returns online through our e-Services system. You need to register for the Energy Production Account by calling 651-556-​6112 before you can file.

  • How do I reset my e-Services password?Back to top

    On the e-Services login screen, you can reset your password if you have forgotten it or if you get locked out of your account.

    1. Click "Forgot Your Password?"
    2. Type your unique user name in the field and click "Next"
    3. Fill out the answer to your security question and click "Submit"

    An email will be sent to you with a link to reset your password.

    If you do not know the security question or you are unable to complete the steps above, call Business Registration at ​651-282-5225.

  • What happens if I don't file by the deadline?Back to top

    ​You cannot file after the deadline. If you do not file on time, we will determine your tax using a production rate of 30% for solar energy generating systems and 60% for wind energy generating systems.

  • What is nameplate capacity?Back to top

    ​The maximum electric output a generator can produce without exceeding designed thermal limits. The manufacturer determines the nameplate capacity.

  • What is combined nameplate capacity?Back to top

    ​Combined nameplate capacity is the total nameplate capacity of all generators within a system.

  • How do I determine the amount of electricity production I need to report on the Solar or Wind Energy Production returns?Back to top

    ​You must report the total amount of electricity produced by the solar energy generating system or wind energy conversion system before any adjustments such as "line loss" or personal usage.

  • What is alternating current (AC)?Back to top

    ​In direct current (DC), the flow of electric charge is only in one direction. In alternating current (AC), the flow of electric charge periodically reverses direction. When determining the nameplate capacity of your solar energy generating system for the Solar Energy Production Tax, you should report in terms of alternating current. The alternating current capacity is for the whole solar energy generating system. It is not the nameplate capacity of the photovoltaic panels which is measured in direct current because they produce energy in direct current. The direct current goes through an inverter to be charged to alternating current to be sent to the grid.

  • How do I determine the combined nameplate capacity for my wind energy conversion system?Back to top

    ​The combined nameplate capacity of a wind energy conversion system is the total nameplate capacity of generators that are:

    1. Located within five miles of each other;
    2. Constructed within the same 12-month period; and
    3. Under common ownership. Common ownership exists when the same or similar persons or entities own two or more generators, even if the ownership shares differ. Common ownership does not exist solely because the same person or entity provided equity financing.

    Add the nameplate capacity of all generators within your system for the total combined nameplate capacity of that system.

  • How do I determine the combined nameplate capacity for my solar energy generating systems?Back to top

    ​The combined nameplate capacity of a solar energy generating system is the total of the nameplate capacities of generators that are:

    1. Constructed within the same 12-month period; and
    2. Exhibit characteristics of being a single development, including but not limited to ownership structure, an umbrella sales arrangement, shared interconnection, revenue-sharing arrangements, and common debt or equity financing.

    Add the nameplate capacity of all generators within your system for the total combined nameplate capacity for that system.

  • What if I am unsure of the total or do not think generators should be combined for my system?Back to top

    If you have questions about the combined nameplate capacity of your system, contact us at 651-556-6112 or sa.property@state.mn.us. In the case of a dispute, the commissioner of commerce will determine the size of your system. ​