(1) Municipal utilities under this chapter are highly encouraged to provide information to their customers regarding landscaping that includes tree planting for energy conservation.
(2)(a) Municipal utilities under this chapter are highly encouraged to request voluntary donations from their customers for the purposes of urban forestry. The request may be in the form of a check-off on the billing statement or other form of request for a voluntary donation.
(b) Voluntary donations collected by municipal utilities under this section may be used by the municipal utility to:
(i) Support the development and implementation of urban forestry ordinances, as that term is defined in RCW 76.15.010, for cities, towns, or counties within their service areas;
(ii) Complete projects consistent with the urban forestry management plans and ordinances developed under RCW 76.15.090; or
(iii) Fund a tree planting program for energy conservation that accomplishes the goals established under RCW 35.92.355.
(c) Donations received under this section do not contribute to the gross income of a light and power business or gas distribution business under chapter 82.16 RCW.