if the self-generated renewable electricity is effectively supported via support schemes, only to the extent that the economic viability of the project and the incentive effect of such support are not undermined;
i gcás ina dtacaítear go héifeachtach leis an leictreachas inathnuaite féin-ghinte trí scéimeanna tacaíochta, ach amháin sa mhéid nach mbaintear an bonn de mharthanacht eacnamaíoch an tionscadail ná d'éifeacht dreasachta na tacaíochta sin;