As used in ORS § 469B.250 to 469B.265:

(1) ‘Biomass’ has the meaning given that term in ORS § 315.141.

(2) ‘Cost’ means the actual cost of the acquisition, construction and installation of the renewable energy production system paid by the applicant for the system, before considering utility incentives.

(3) ‘Renewable energy production system’ means a system that uses biomass, solar, geothermal, hydroelectric, wind, landfill gas, biogas or wave, tidal or ocean thermal energy technology to produce energy.

(4) ‘Solar technology’ means any system, mechanism or series of mechanisms, including photovoltaic systems, that uses solar radiation to generate electrical energy. [2011 c.730 § 27]