S.C. Code Ann. § 12-63-20
(A)
(1) An incentive payment for an alternative fuel purchase is provided beginning after June 30, 2009, and ending before July 1, 2012, and shall be provided from the general fund, excluding revenue derived from the sales and use tax as follows:
(B)
(1) An incentive payment for production of electricity or energy is provided pursuant to subitems (a) and (b), beginning after June 30, 2008, and ending before July 1, 2018, and shall be provided from the general fund, excluding revenue derived from the sales and use tax as follows:
(b) Thirty cents per therm (100,000 Btu) for energy produced from biomass resources in a facility not using biomass resources before June 30, 2008, or facilities which utilize at least twenty-five percent more energy from biomass resources than the greatest three-year average before June 30, 2008, up to a maximum of one hundred thousand dollars per year per taxpayer for five years. The incentive payment is also applicable to energy from a qualifying facility placed in service and first producing energy on or after July 1, 2008. The incentive payment extends for five years, and ends on July 1, 2013, or five years from the date the facility was placed in service and first produced energy. In no case shall the incentive payment apply after June 30, 2018.
The incentive payment for the production of electricity or thermal energy may not be claimed for both electricity and energy produced from the same biomass resource.