Real Property Tax Law § 487 provides a real property tax exemption for certain fuel-flexible linear generator electric generating systems, defined therein as follows:
An integrated system consisting of oscillators, cylinders, electricity conversion equipment and associated balance of plant components that directly convert the linear motion of the oscillators into electricity and which has a combined rated capacity of not more than 2,000 kilowatts.
An arrangement or combination of fuel-flexible linear generator electric generating equipment designed to produce electrical energy from linear motion created by the reaction of gaseous or liquid fuels, including, but not limited to, biogas and natural gas.