Achieving zero net energy (ZNE) status can only be accomplished with an on-site alternative energy generation component. But incorporating it into a building remains complex, given challenges with payback considerations, utility net metering...
"Retrocommissioning is applicable if changes have been made to the space or control system. For example, a renovation may result in new surface finishes, which may change reflectances." Craig DiLouie
Falling battery prices and rising renewable energy installations are helping energy storage flex its coiled muscle and petition for a closer vetting. A bullish outlook takes shape for a maturing technology right for the times.