"No additional points are available for exemplary performance." change to "Projects that meet the requirements in EA 7.3 by installing a solar DHW system should be awarded one exemplary performance point for installing a back-up gas system with EF or CAE ? 0.8 or a back-up electric system with EF ? 0.99 for instantaneous water heaters or EF ? 2.0 for heat pump water heaters."