SECTION 1. Section 5 of chapter 59 of the General Laws, as appearing in the 2018 Official Edition, is hereby amended by striking out, in line 13, the words “or Forty-fifth” and inserting in place thereof the following words:-

, Forty-fifth or Forty-fifth B.

SECTION 2. Said section 5 of said chapter 59, as so appearing, is hereby further amended by inserting after clause Forty-fifth A the following clause:-

Forty-fifth B, Any qualified fuel cell powered system, the construction of which was commenced after January 1, 2020, that is capable of producing not more than 125 per cent of the annual energy needs of the real property upon which it is located, which shall include contiguous or non-contiguous real property owned or leased by the owner. Any other qualified fuel cell powered system shall be exempt provided that the owner has made to the city or town where the system is located a payment in lieu of taxes. A city or town, acting through the board or officer authorized by its legislative body, may execute an agreement for the payment in lieu of taxes with the owner of a qualified fuel cell powered system in the municipality where the qualified fuel cell powered system is located. Unless otherwise provided by such agreement, (1) a notice of the payment in lieu of tax owed for each fiscal year shall be mailed to the owner and due on the dates by which a tax assessed under this chapter would be payable without interest; (2) all provisions of law regarding billing and collecting a tax assessed under this chapter shall apply to the payment in lieu of taxes, including the payment of interest; and (3) upon issuance of the notice, the owner shall have the remedies provided by section 59, section 64 and all other applicable provisions of law for the abatement and appeal of taxes upon real estate. An exemption under this clause shall be allowed only for a period of 20 years from the date of completion of the construction of the qualified fuel cell powered system; provided, however, that no exemption shall be allowed for any year within that period when the qualified fuel cell powered system is not capable of producing energy as required by this clause. Each owner shall annually, on or before March 1, make a declaration under oath to the assessors regarding the system and power generated for the previous calendar year. This clause shall not apply to projects developed under section 1A of chapter 164.

For the purposes of this clause, “qualified fuel cell powered system” shall mean an integrated system comprised of a fuel cell stack assembly and associated components that utilizes and converts natural gas or renewable fuels into electricity and is being utilized as the primary or auxiliary power system for the  real property upon which it is located, which shall include contiguous or non-contiguous real property owned or leased by the owner, or in which the owner otherwise holds an interest.

SECTION 3. Subsection (b) of section 38H of said chapter 59, as so appearing, is hereby amended by inserting after the first sentence the following sentence:- For purposes of this subsection, a generation facility shall not include a facility powered by a qualified fuel cell powered system, as defined in clause Forty-fifth B of section 5, to generate electricity.