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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Team at Kilsaran being present with a plaque for EXEED Certification
EXEED

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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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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Wexford Town SEC
Communities

Wexford Town SEC: Driving a Just Transition Through Community Action

A passionate volunteer group in Wexford Town is tackling building fabric issues while reducing fossil fuel use in the community.

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  1. Caroline-Ashe-Brady_KORE-Retrofit
    Business & Industry
    Home Energy Upgrades

    Why KORE Retrofit registered as a One Stop Shop

    Caroline Ashe-Brady, Commercial Director at KORE Retrofit, explains the benefits of becoming a registered One Stop Shop

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  2. Mike-Honora-2
    Home Energy Upgrades

    Cork home gets a new lease of life through the One Stop Shop service

    Homeowners Honora Kelleher and Mike Hennessy share their experiences of using a registered One Stop Shop to transform the energy efficiency of their home, bringing it from an BER F to BER A2.

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  3. Nimbus-logo
    Energy Research

    Nimbus Research Centre: DENiM project

    Nimbus is Munster Technological University's (MTU) largest research centre with over 40 staff and research students. Nimbus's DENiM Platform unlocks energy savings through data analytics.

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  4. Ballydehob_Bank_House_Drone-image
    Communities

    Community Grant funding fuels Ballydehob Bank House's retrofitting journey

    The local community in Ballydehob, County Cork are reaping the benefits of a recent energy upgrade carried out on the town's cultural hub, the Ballydehob Bank House, which acts as a building for community and the arts.

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  5. drumree-gaa-pitch-lighting
    Climate Action
    Communities

    How GAA clubs are saving energy with the SEAI Community Energy Grant

    GAA clubs around the country are benefiting from warmer, more comfortable facilities, better lighting, reduced energy bills and a lower carbon footprint.

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  6. Scoil-Mhuire-Abbeyleix_1200px
    Renewable Technologies

    Scoil Mhuire, Abbeyleix, achieves a B2 in deep retrofit

    Scoil Mhuire, Abbeyleix, County Laois, underwent a deep retrofit through the Pathfinder programme.

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  7. Energy-awards-23_Lawler-Sustainability
    Energy Research

    Lawler Sustainability carries out award-winning research project

    Lawler Sustainability took home the 2023 SEAI Energy Award for Excellence in Energy Research & Innovation.

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  8. Placeholder
    Communities

    Drumlish Ballinamuck Sustainable Energy Community pioneering sustainability in two towns

    The Drumlish Ballinamuck Sustainability Energy Community (SEC) has been busy since its inception.

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  9. An-Sugan_thumbnail
    Communities

    Community Benefit Fund helps An Súgán Museum of the Irish Language and Gaelic Revival move closer to opening

    An Súgán, the Museum of the Irish language and Gaelic Revival, located in Ballingeary, Co Cork received grants totalling €28,000 from neighbouring Windfarm Community Benefit Funds in Cork and Kerry since 2020.

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  10. SEAI-Energy-Awards-Innovative-Deployment-of-Renewable-Energy-Award-1_1200-px
    Business & Industry
    Renewable Technologies
    EXEED

    Ahascragh Distillery is first to produce carbon-neutral spirits in Ireland

    With support from SEAI, the award-winning eco-distillery is powering their new production facility and visitor centre using renewable energy.

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  11. Connacht-GAA-high-res_1200px
    Communities
    Featured

    Connacht GAA scores win at SEAI Energy Awards

    Connacht GAA SEC won the Inspirational Sustainable Energy Community award at the SEAI Energy Awards 2023.

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  12. Aurivo-2023_cropped
    Business & Industry
    Renewable Technologies
    EXEED

    Thermal Energy Efficiency Upgrade at Aurivo Dairy Ingredients

    Aurivo Dairy Ingredients, a milk processing plant with a significant thermal demand, reinvent the supply of thermal energy to the process through the EXEED scheme.

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  13. An-Post_SEAI-Energy-Awards-2023
    Business & Industry
    Featured

    Award winning Energy Team at An Post

    The top prize at this year's SEAI Energy Awards went to An Post for 'Energy Team of the year'.

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  14. Inland-Fisheries-Ireland_SEAI-Energy-Awards-2023
    Business & Industry

    Inland Fisheries Ireland win at SEAI Energy Awards

    Inland Fisheries Ireland won the 2023 SEAI Energy Award for 'Leadership in public sector decarbonisation and energy efficiency'.

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  15. Tyndall-Institute-Building-External
    Business & Industry
    Featured

    Tyndall National Institute lowers carbon emissions and energy costs

    Tyndall National Institute used the EXEED process to identify significant energy savings across its buildings, which will result in an energy saving of 3.6GWh.

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  16. HTC_Court-Image-1
    Communities
    Featured

    Local Community Tennis Club, Hazelwood, upgrades its club and takes on new members thanks to the Castlepook Community Benefit Fund

    Hazelwood Tennis Club is the last remaining sporting club operating in Hazelwood, Newtwopothouse in Mallow, Co. Cork. Thanks to the Castlepook Community Benefit Fund, it has been able to upgrade its club and accommodate new members.

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