The RERH specifications and checklists take a builder and a project design team through the steps of assessing a home's solar resource potential and defining the minimum structural and system components needed to support a solar energy system. The Commission adopted its EU solar energy strategy in. The Renewable Energy Ready Home (RERH) specifications were developed by the U. Commercial use by those not holding a valid icence to use the MCS mark is prohibited. In the context of t role to play in the future of UK energy. MC heat pumps, biomass, and battery storage. These codes, which encompass structural, electrical, fire safety, and zoning regulations, provide a comprehensive framework for the proper design, installation, and. Support to the ongoing preparatory activities on the feasibility of applying the Ecodesign, EU Energy label, EU Ecolabel and Green Public Procurement (GPP) policy instruments to solar photovoltaic (PV) modules, inverters and PV systems.