21) biomasskütus – elektrituruseaduse § 57 lõikes 2 sätestatud biomassist toodetud gaasiline ja tahkekütus;, 21) ‘biomass fuel’ means gaseous or solid fuel produced from biomass as provided for by subsection 2 of § 57 of the Electricity Market Act;, defineeritakse selle seaduse ulatuses, defined within the scope of this Act