6) bilansileping – süsteemihalduri ja bilansihalduri vahel sõlmitud avatud tarne leping, mille alusel süsteemihaldur müüb bilansihaldurile või ostab temalt igal kauplemisperioodil bilansi tagamiseks vajaliku koguse bilansienergiat;
defineeritakse selle seaduse ulatuses
6) ‘balance agreement’ means an open supply contract between the system operator and a balance provider by which the system operator undertakes to sell to or purchase from the balance provider the amount of balancing electricity necessary to maintain its balance during each trading period;