Any mortgage entered into subsequent to July 1, 1986, between a private power producer, as defined in section 16-243b, or the owner or operator of a qualifying facility, as defined in Part 292 of Title 18 of the Code of Federal Regulations, or a guarantor of any of their respective obligations, as mortgagor, and an electric distribution company, as defined in section 16-1, as mortgagee, shall be valid to secure all obligations then existing or thereafter arising of the mortgagor to the mortgagee under an electricity purchase agreement, including, without limitation, recovery of amounts paid to the private power producer or the owner or operator of a qualifying facility by the mortgagee in excess of the mortgagee’s avoided costs as defined in section 16-243a and all other damages for failure to deliver electric energy or capacity or other breach of an electricity purchase agreement, including, without limitation, the net replacement cost of the capacity being secured by such mortgage, together with accrued interest, if any, as computed in accordance with the terms of the electricity purchase agreement or the mortgage, and under a guarantee of such obligations or obligations created by the mortgage, and shall have priority over the rights of others who shall acquire any rights in the property covered by such mortgage subsequent to the recording of the mortgage in the land records of the town in which the mortgaged property is situated provided: (1) The electricity purchase agreement is substantially in the form approved by the Public Utilities Regulatory Authority pursuant to section 16-243a and shall have been entered into by the mortgagor and mortgagee prior to or simultaneously with or subsequent to the execution and delivery of the mortgage, (2) the caption to the mortgage shall contain the words “Open-End Mortgage” and “Electricity Purchase Agreement”, (3) the mortgage shall state that it is entered into to secure the mortgagor’s obligations to the mortgagee under an electricity purchase agreement or under a guarantee of any electricity purchase agreement obligations and shall recite either the address of an office of the mortgagee or its assignee in the state at which a copy of the electricity purchase agreement is on file and may be inspected by the public during normal business hours or that the electricity purchase agreement has been recorded, as an exhibit to the mortgage or otherwise, on or before the date the mortgage is recorded, in the land records of the town in which the mortgaged property is situated, provided the electricity purchase agreement shall be so recorded, (4) the amount of the obligation from time to time secured by the mortgage may be determined or reasonably approximated on the basis of records maintained by the mortgagee or its assignee in the state, which records and an estimate of the amount claimed by the mortgagee to be secured are made available to the public with reasonable promptness upon written request, and (5) the mortgage states the maximum amount which it shall secure. Nothing in this section shall invalidate any mortgage which would be valid without this section. For purposes of this section, “electricity purchase agreement” means a contract or agreement to purchase and sell electric energy or capacity by and between a private power producer, as defined in section 16-243b, or the owner or operator of a qualifying facility, as defined in Part 292 of Title 18 of the Code of Federal Regulations, and an electric distribution company, as defined in section 16-1.