Incentivising Use of Electric Construction Vehicles and Battery Energy Storage Systems by Construction Contractors in HDB Estates

Mr Cai Yinzhou asked the Minister for National Development (a) whether HDB's procurement specifications for construction within infield HDB estates incentivise the use of electric construction vehicles and battery energy storage systems in place of diesel generators; (b) whether any subsidy or co-funding scheme supports contractors in adopting such equipment; and (c) whether the Building and Construction Authority will consider making green construction equipment a scored criterion under the Green Mark framework.

Mr Chee Hong Tat: To drive sustainable construction and reduce reliance on conventional diesel generators, the Housing and Development Board (HDB) has required the use of battery energy storage systems (BESS) or synchronised generator set systems at Build-to-Order construction worksites for all building tenders called since February 2025. HDB also encourages the adoption of broader sustainable practices, such as the use of electric construction vehicles, through a green procurement framework.

BCA administers the Energy Efficiency Grant (EEG) for the construction sector, which provides co-funding to support construction firms in adopting more energy-efficient solutions, including BESS and electric construction machinery.

The current Green Mark framework already recognises the adoption of low-carbon technologies and solutions during construction, including electric or low-emission construction machinery. Projects that adopt such equipment can receive Green Mark points.