Owners of a community solar project as defined in RCW 82.16.110(2)(a) (i) and (iii) must agree to hold harmless the light and power business serving the situs of the system, including any employee, for the good faith reliance on the information contained in an application or certification submitted by an administrator or company. In addition, the light and power business and any employee is immune from civil liability for the good faith reliance on any misstatement that may be made in such application or certification. Should a light and power business or employee prevail upon the defense provided in this section, it is entitled to recover expenses and reasonable attorneys' fees incurred in establishing the defense.