This is a property tax exemption for property that is “actually and regularly used” to produce and generate electricity with certain renewable energy resources. For parties who apply for this exemption after December 31, 2016, the property tax exemption will only remain in effect for the 10 taxable years immediately following the year in which construction or installation is completed. The exemption is also for “all personal property actually and regularly used predominantly to collect, refine or treat landfill gas.”