Case Studies

Whether you're planning an energy efficiency upgrade or researching the benefits of energy efficiency, our case studies can show you how energy efficiency projects have been completed.

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Mullingar Park Hotel
EXEED
Business & Industry

Optimising hotel energy efficiency at Mullingar Park Hotel

Mullingar Park Hotel’s successful EXEED certified energy transformation delivers energy savings of 665,905 kWh/yr and carbon reduction 138 tCO2/yr

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Team at Kilsaran being present with a plaque for EXEED Certification
EXEED
Business & Industry

Design-led energy performance optimisation at Kilsaran Asphalt Plant, Tullamore

Through SEAI’s EXEED programme, Kilsaran achieved verified energy and carbon savings at its Tullamore Asphalt production facility.

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Man standing outside of his house
Home Energy Upgrades

Kildare homeowner cuts his energy bills by almost 50%

Thomas chose the SEAI One Stop Shop grant to help bring his home from a BER C to BER A1.

Find out more
Three men walking with Markree Castle Hotel in the background.
Business & Industry
Support Scheme for Renewable Heat

A 17th century castle brings its energy efficiency into the 21st century

Renewable heat at the heart of a heritage estate. A 350kW biomass boiler now supplies 80% of Markree Castle’s thermal energy, transforming comfort and cutting costs.

Find out more
Roadstone truck at Belgard plant
Business & Industry
Featured
Large Industry Energy Network
EXEED

Roadstone blacktop optimisation: designing for energy efficiency and carbon reduction with EXEED

Through SEAI’s EXEED Certified Energy Efficient Design approach, Roadstone optimised its blacktop production process, reducing energy use and emissions while boosting operational performance across its asphalt plants.

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Erris SEC
Communities

From master plan to implementation: co-creating community-led energy solutions for Erris

Postgrad students from Germany worked with Erris SEC to explore renewable energy options within the community.

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Picture of home featured in case study
Energy Research

Testing flexibility of renewable energy systems based on price

The aim of this project is to control the power flowing into and out of a home through a single, remotely operated smart platform.

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Solar panels on a farm building in Dingle, Co. Kerry
Communities

West Kerry Dairy Farmers SEC – Ireland’s first sectoral Sustainable Energy Community

A farmer-led Sustainable Energy Community on the Dingle Peninsula is cutting energy costs, installing solar power, building community cohesion and reshaping how dairy farming engages with climate action.

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Heat pumps installed at BOI buildings
Business & Industry
Large Industry Energy Network

Bank of Ireland's decarbonisation journey

Bank of Ireland IT centre reduces its reliance on fossil fuels contributing to BOI’s 49.3% SBTi Carbon reduction target.

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SE Systems wins SEAI Residential Energy Upgrades Award
Home Energy Upgrades

SE Systems won the SEAI ‘Residential Upgrades’ Energy award

SE Systems, Winner at the 2025 SEAI Energy Awards, transformed the comfort for residents living at Douglas Lions Club, Co. Cork.

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  1. Mullingar Park Hotel
    EXEED
    Business & Industry

    Optimising hotel energy efficiency at Mullingar Park Hotel

    Mullingar Park Hotel’s successful EXEED certified energy transformation delivers energy savings of 665,905 kWh/yr and carbon reduction 138 tCO2/yr

    Find out more
  2. Team at Kilsaran being present with a plaque for EXEED Certification
    EXEED
    Business & Industry

    Design-led energy performance optimisation at Kilsaran Asphalt Plant, Tullamore

    Through SEAI’s EXEED programme, Kilsaran achieved verified energy and carbon savings at its Tullamore Asphalt production facility.

    Find out more
  3. Hugh Franklin
    Home Energy Upgrades

    Hugh’s new home goes from BER C3 to A1

    Hugh Franklin sold his 5-bedroom family home in the Kildare countryside and bought a smaller 2-bed home in the centre of Kilcock town.

    Find out more
  4. White Deer beer
    Business & Industry

    9 White Deer Brewery cuts their energy costs and reduces carbon emissions

    9 White Deer Brewery won in the Small Business category at the SEAI Energy Awards 2025. The microbrewery located in the Mhúscrai Gaeltacht, Co. Cork, is dedicated to brewing and packaging high-quality beers for the Irish market.

    Find out more
  5. Three vans with Vhi branding
    Electric Vehicles
    Public Sector

    Vhi’s transition to electric vehicles is saving money, resources and carbon emissions

    With a nationwide sales fleet, electrifying vehicles was a logical step for VHI.

    Find out more
  6. Lee Strand solar PV
    Business & Industry

    Lee Strand Co-op takes control of its energy use

    Lee Strand Co-Operative is a milk processing plant in the heart of Tralee, Co. Kerry.

    Find out more
  7. Dundalk Golf Club
    Business & Industry

    Easy Wins Case Study - Dundalk Golf Club

    Founded in 1905, and set above the seaside town of Blackrock, Dundalk Golf Club is a community resource located in north county Louth.

    Find out more
  8. MSA Safety
    Business & Industry

    Easy Wins Case Study - MSA Safety

    MSA Safety is a leader in the development, manufacture and supply of safety products that protect people and facility infrastructures

    Find out more
  9. Abcon
    Business & Industry

    Easy Wins Case Study - Abcon Industrial Products Ltd

    Abcon Industrial Products Ltd is a leading manufacturing company based in Cootehill, Co. Cavan.

    Find out more
  10. E-cargo bike
    Energy Research

    Understanding private E-cargo bike use in Ireland

    This research project looked at how people in Ireland use private e-cargo bikes in their daily lives.

    Find out more
  11. Pembroke Kilkenny
    Business & Industry

    Easy Wins Case Study - Pembroke Kilkenny

    Pembroke Kilkenny is a 4-star boutique hotel in the heart of medieval Kilkenny city centre.

    Find out more
  12. Mark's home
    Home Energy Upgrades

    Limerick farmhouse transforms from BER G to A2

    Mark's family farmhouse underwent a home energy upgrade through SEAI's One Stop Shop service and was upgraded from BER G to A2.

    Find out more
  13. Man standing outside of his house
    Home Energy Upgrades

    Kildare homeowner cuts his energy bills by almost 50%

    Thomas chose the SEAI One Stop Shop grant to help bring his home from a BER C to BER A1.

    Find out more
  14. Three men walking with Markree Castle Hotel in the background.
    Business & Industry
    Support Scheme for Renewable Heat

    A 17th century castle brings its energy efficiency into the 21st century

    Renewable heat at the heart of a heritage estate. A 350kW biomass boiler now supplies 80% of Markree Castle’s thermal energy, transforming comfort and cutting costs.

    Find out more
  15. Roadstone truck at Belgard plant
    Business & Industry
    Featured
    Large Industry Energy Network
    EXEED

    Roadstone blacktop optimisation: designing for energy efficiency and carbon reduction with EXEED

    Through SEAI’s EXEED Certified Energy Efficient Design approach, Roadstone optimised its blacktop production process, reducing energy use and emissions while boosting operational performance across its asphalt plants.

    Find out more
  16. Erris SEC
    Communities

    From master plan to implementation: co-creating community-led energy solutions for Erris

    Postgrad students from Germany worked with Erris SEC to explore renewable energy options within the community.

    Find out more
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