Renewables

With a portfolio extending to over 3,000MW of power, Jennings O’Donovan is a recognised market leader in Wind Energy development.

We also act as technical advisors to Lending and Banking institutions operating in the renewable energy sector and have significant experience in cost estimation, conciliation and dispute resolution.

Our portfolio represents a €3 billion investment in the future of renewable energy. From inception to commissioning, we provide end-to-end engineering, environmental, and business expertise. While our roots are in wind energy, our multidisciplinary teams deliver high-impact projects across Solar, Battery Energy Storage Systems (BESS), and Anaerobic Digestion Plants.

Services

Our comprehensive range of specialist services includes:

Project Management: Complete design and construction oversight, including budget costs and profiling.
Safety & Compliance: PSDP/Principal Designer roles, health and safety plans, and planning certification.
Civil Engineering: Detailed turbine foundation, road, haul route and sub-station design.
Grid Infrastructure & Turbine Supply: Contestable grid connection works and turbine supply agreements.
Land & Environmental: Land acquisitions, lease maps, and Construction Environmental Management Plans (CEMP).
Contract Administration: Owner’s Engineer services, procurement, and payment valuations/certification.

Additional Value Services

Our additional services include:

Site Inspections: Wind turbine foundation formation, concrete inspection, and crane hardstand load testing/sign-off.
Infrastructure Design: Flood risk assessments, drainage designs, and geotechnical assessments.
Logistics & Transport: Traffic and transportation management plans, haul route surveys, and bridge structural reports.
Grid & Utility: Power line route selection and professional liaison with ESB Networks and EirGrid.
Commercial & Finance: Financial modelling input, bank liaison for project finance, and commercial claims support.

Projects

Derrinlough Wind Farm

Jennings O'Donovan delivered comprehensive engineering and management services for the €150 million Derrinlough Wind Farm, a 126 MW project featuring 21 turbines and a 110 kV substation across two bogland sites in County Offaly.

Timahoe North Solar Farm

Jennings O'Donovan provided a full range of engineering and project support services for the €100 million Timahoe North Solar Farm, a 108 MW renewable energy project featuring a 110 kV substation and extensive PV infrastructure.

Renewable Sector