Renewables

Engineering Services for Ireland’s Renewable Energy Sector

At Dunreidy Engineering, we support Ireland’s transition to a more sustainable future by delivering expert mechanical and electrical services to the renewable energy sector. From large-scale solar and wind farms to substation integration and grid compliance, we enable reliable, compliant, and efficient infrastructure for clean energy projects across the nation.

With over 36 years of engineering experience and a deep understanding of Ireland’s energy landscape, we work with developers, EPC contractors, and grid operators to deliver quality installations, routine maintenance, and energy-efficient upgrades.

Who We Work With

Renewable Energy Developers

Engineering, Procurement & Construction (EPC) Contractors

Grid Infrastructure Providers

Wind and Solar Farm Operators

Energy & Utility Companies

Energy Consultants

What Can We Do For You?

We provide full mechanical and electrical project support from concept through commissioning, offering bespoke solutions tailored to each site’s requirements and regulatory commitments.

Electrical Engineering Services

Medium Voltage (MV) and Low Voltage (LV) electrical installations
Electrical panel and control wiring
Cable containment and routing infrastructure
Grid connection support and substation integration
Inverter, transformer, and switchgear installation
Backup power systems, including generators and UPS
Power factor correction systems
Full testing, commissioning, and handover documentation

Mechanical Engineering Services

Structural supports and steel frameworks for solar panels and turbines
Installation of HVAC systems for electrical control rooms
Fuel and water containment systems
Pipework supports and mounting structures
Logistics planning for large mechanical assemblies
Preventive and scheduled mechanical maintenance
On-site assembly oversight for critical infrastructure
Custom mechanical design and pre-fabrication

Off-Site Fabrication

Workshop capabilities include:

Structural supports
Cable tray systems and containment brackets
Pre-packaged control panels and cabinets
Safety barriers, bollards, platforms and weather guards
Bracketry, stainless steel enclosures, frames and skids

Our Kilkenny Workshop:

Our Kilkenny Workshop: Designed for Off-Site Excellence

Our 4,000 sq. ft. (and expanding) fabrication facility enables fast, high-quality off-site prefabrication.

Workshop equipment includes:

3m press brake, guillotine and rollers
Orbital and TIG welders
Hydraulic ironworker, lathe and pipe facing tools
Band saws
Pipework preparation tools, Hycon sizing machines and welding stations

Many components are manufactured in parallel with site works, reducing programme duration and streamlining deployment in remote or grid-integrated environments.

Integrated Site Support Services

We offer turnkey project services that can be integrated into any mechanical or electrical project at the design or construction phase.

Project tendering and procurement coordination

Drawing reviews and shop drawing production

Safety supervision and site planning

Mechanical, Electrical and Instrumentation installation

Software-based documentation handover (CMS, EIDA, SAPP)

BIM coordination tools and Navisworks integration

Grid compliance and performance validation

Commissioning and operations integration

Ongoing maintenance support

What Our Customers Say….

“Proven fabricator of GMP‑compliant process equipment skids for pharmaceutical applications; delivers tailored solutions, comprehensive documentation, and validation support; collaborates closely with Veolia on technical requirements and seamless equipment integration.”

Kieran Lyons, Engineering Director, Veolia Ireland

“Dunreidy Engineering has been amazing to work with. No one else offers what they do, and they’ve built a great relationship with us over the years. They’re super flexible, always willing to customise, and constantly go out of their way to help. They’re proactive, reliable, and just easy to work with”

Stephen Egan , I&C & Automation Lead Engineer ,World leading Engineering / Consultancy Firm for Pharmaceutical Sector

“The Company’s excellent Health & Safety record on site was underpinned by their huge respect and commitment for the Health & Safety of all personnel on the Glanbia Belview Project. Their culture of Health & Safety is driven by a strong, well trained team of Senior Management, Safety Management, Supervisors and crafts. It was a pleasure to work with Dunreidy and I would recommend them for other works.”

Cormac Cremin, Safety Construction Manager, Glanbia

“The Quality of the company’s manufacturing and workmanship and their focus on design, fabrication, installation and safety is superb. Their range of engineering services is extensive and includes both mechanical and electrical systems, along with commissioning, validation and FAT execution”

William Quilter, Project Engineer, Pfizer Newbridge

“In the past two years I started working on installing Hycon for the first time on a Pharma project in Denmark. From the first point of contact with the team at Dunreidy I could tell I would have a great relationship with a top supplier. The service the team provide whether it is Technical advise, quick turnaround of orders or urgent orders for client changes at the last minute Dunreidy have time and time again helped get us over the line. I look forward to working with Dunreidy for the foreseeable future”

Cian Hickey, Electrical Engineering Lead, Dornan

“I have had the pleasure of working with Dunreidy Engineering across many varied projects over the past 15 years, and have found both their electrical and mechanical contracting services always to be outstanding. Their teams have always demonstrated professionalism, expertise, and attention to detail from start to finish. They have always delivered high-quality work, seamlessly coordinating complex installations while maintaining clear communication throughout. Their commitment to safety and precision allow complete confidence in their abilities and I would highly recommend Dunreidy Engineering for any electrical or mechanical contracting needs.”

Eamonn Hogan, Senior Engineering Manager, Tirlán

Why Choose Dunreidy for Renewable Projects

36+ years of electrical and mechanical engineering success in Ireland

Expertise in grid compliance, SEAI regulations, and MV/LV systems

In-house workshop enabling advanced off-site fabrication

Integrated project approach from design to commissioning

Full-service support for solar, wind, and hybrid installations

Committed to building Ireland’s low-carbon future

Let’s Work Together

Planning a renewable energy installation in Ireland? Dunreidy Engineering is ready to support delivery with the expertise, flexibility, and track record to meet the high demands of performance projects.