On April 21, 2009, the Commission heard Case No. 91541, in which Staff first presented its preferred approach, an EM&V Commission-led evaluator model (“Evaluator Model”), for the evaluation, measurement and verification (“EM&V”) process of the EmPower Maryland programs. The development of this Commission-led evaluator model is the preferred approach of Commission staff in order to maintain the necessary oversight and transparency to ensure policy-maker and public confidence in the EmPower Maryland programs.