1702. Deputy Paula Butterly asked the Minister for Housing, Local Government and Heritage if he will consider introducing legislation or regulations to make it mandatory for all new residential developments comprising of more than ten units to include solar energy systems, or alternative renewable energy technologies, together with battery storage facilities; and if he will make a statement on the matter. [59869/26]

Building regulations require a minimum renewable energy ratio (RER) for all new dwellings in all residential developments regardless of size.

Renewable energy requirements are technology neutral and include solar energy or alternative renewable energy technologies.

The RER is defined and calculated using SEAI’s Dwelling Energy Assessment Procedure (DEAP).