A Solar Farm has been developed on a former landfill site by Cardiff Council, with support from the Energy Service.
Summary
Cardiff Council developed the Lamby Way Solar Farm on a former landfill site, with support from the Welsh Government Energy Service. After earlier attempts stalled due to market conditions, the project was revived through strategic planning, feasibility support, and strong internal leadership. The site has been operational since 2022 operational, co-located with a grid connection and private wire to the nearby Welsh Water plant.
Our support
Feasibility studies, business case development, planning and procurement advice, and technical support throughout delivery.
Technology solution
- 9 MW ground-mounted solar PV system, involving the installation of 33,000 solar PV panels (initially scoped at 6 MW).
- Complex 3 km private wire connection to Welsh Water, including high-voltage design and challenging ground conditions.
Investment
- Funded via Public Works Loan Board (PWLB), financial modelling supported by the Energy Service.
Impact
- Supports Wales’ renewable energy targets and demonstrates landfill site reuse potential.
- Income generation for the council by selling green electricity to a nearby Welsh Water treatment plant.