Cottsway Housing Association is seeking contractors to deliver up to £18 million of renewable energy installations to nearly 2,000 homes.
The West Oxfordshire affordable housing provider is seeking a maximum of seven contractors to tender for work that will be worth between £11m and £18m.
It is seeking supply and installation of solar photovoltaic systems to around 1,000 homes over an initial period of two years, and heat pump systems for a further 800 homes over an initial four years.
Both programmes of works will be worth up to £9m and tenders must be submitted by 4pm on 22 March.
Tenders must be sent to the attention of Team 209 at Ridge and Partners LLP who can be contacted at 01189 323088.