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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Martina standing outside her home with John from SSE Airtricity
Home Energy Upgrades

Semi-D goes from a BER D1 to A2 following a home energy upgrade

Martina is now living in a more comfortable and energy efficient home following multiple energy upgrades managed by an SEAI registered One Stop Shop

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Tyndall-Institute-Building-External
Business & Industry
Featured
EXEED

Tyndall National Institute lowers energy use and carbon emissions by 33% and energy costs by 23%

The energy team used the EXEED IS 399 process to identify significant energy and CO2e savings measures across its campus.

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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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Three people pose with EXEED certification
EXEED
Business & Industry

Shannon Springs Hotel’s EXEED certified achievements of 48% savings against the baseline

A landmark EXEED certified project delivering energy savings of 510,000 kWh/yr, and carbon emission reductions of 117 tonnes of CO2/yr, and enhanced hotel operational performance.

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A group of people outside Maynooth University Ireland
Business & Industry
EXEED

Designing a low-carbon academic building at Maynooth University

Applying EXEED at the design stage delivered 29.5% measurable energy and carbon savings.

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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.

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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.

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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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  1. Martina standing outside her home with John from SSE Airtricity
    Home Energy Upgrades

    Semi-D goes from a BER D1 to A2 following a home energy upgrade

    Martina is now living in a more comfortable and energy efficient home following multiple energy upgrades managed by an SEAI registered One Stop Shop

    Find out more
  2. Tyndall-Institute-Building-External
    Business & Industry
    Featured
    EXEED

    Tyndall National Institute lowers energy use and carbon emissions by 33% and energy costs by 23%

    The energy team used the EXEED IS 399 process to identify significant energy and CO2e savings measures across its campus.

    Find out more
  3. 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
  4. Three people pose with EXEED certification
    EXEED
    Business & Industry

    Shannon Springs Hotel’s EXEED certified achievements of 48% savings against the baseline

    A landmark EXEED certified project delivering energy savings of 510,000 kWh/yr, and carbon emission reductions of 117 tonnes of CO2/yr, and enhanced hotel operational performance.

    Find out more
  5. A group of people outside Maynooth University Ireland
    Business & Industry
    EXEED

    Designing a low-carbon academic building at Maynooth University

    Applying EXEED at the design stage delivered 29.5% measurable energy and carbon savings.

    Find out more
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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.

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  15. 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
  16. 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
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