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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Two people standing at an IBTS stand holding a sign saying 'Reduce Your Use'
Public Sector

From Red to Green: Reducing Energy Use at the Irish Blood Transfusion Service

The Irish Blood Transfusion Service is implementing a long-term Climate and Sustainability Strategy that seeks to reduce environmental impact while maintaining the safe and reliable provision of critical healthcare services.

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Members of the Corofin SEC standing outside the community centre.
Communities

From Planning to Delivery: How Corofin SEC Turned an Energy Master Plan into Community Action

Corofin Sustainable Energy Community (SEC) turned its Energy Master Plan into real action, securing funding, delivering energy upgrades and bringing the community together around a shared vision for a more sustainable future.

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A group photo taken at a housing estate
Communities
Home Energy Upgrades

Delivering warmer, healthier homes for older residents in Mountmellick

A major retrofit project at Wolfe Tone Court in Mountmellick, Co. Laois has transformed 24 homes for older residents, bringing every dwelling to an A1 rating.

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Two members of Balbriggan SEC working together.
Communities

Balbriggan Sustainable Energy Community working to take community climate action

Balbriggan Sustainable Energy Community (SEC) secured over €60,000 through the Community Climate Action Programme (2024-2025) to support climate action in partnership with other local community groups in Balbriggan.

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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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  1. Churchfield Home Services
    Home Energy Upgrades

    Home Energy Upgrade Loan Scheme sample cases

    The Home Energy Upgrade Loan Scheme offers a short-term, unsecured loan with low interest rates.

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  2. St-Marys-Hospital
    Public Sector

    Window restoration and ventilation upgrade at St. Mary’s Hospital

    The Energy Team carried out multiple energy upgrades at St Mary’s Hospital making it warmer and more comfortable for patients and staff.

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  3. Solar panels at St. Marys campus in Phoenix Park
    Public Sector
    Renewable Technologies

    Solar PV at St. Mary’s campus in Phoenix Park

    Green Team aims to reduce energy bills and generate renewable electricity with new Solar PV system.

    Find out more
  4. Gilead's steam generation boiler
    Large Industry Energy Network
    Business & Industry

    Gilead Data Collection – Steam Generation Metrics

    Gilead’s Carrigtwohill facility has identified the data requirements to facilitate the development of effective energy performance indicators (EnPIs).

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  5. Boston-scientific-case-study
    Business & Industry
    EXEED

    Boston Scientific achieves certification in energy efficient design

    Boston Scientific applied Energy Efficient Design principles during design of new equipment reducing operational energy consumption by 42%.

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  6. John Brady, a homeowner, standing outside his recently upgraded home.
    Home Energy Upgrades

    A north Dublin home goes from a D1 to A3 with a home energy upgrade

    Homeowner John Brady is thrilled with his warmer home and significant savings on his electricity bill.

    Find out more
  7. Trad-Homes
    Home Energy Upgrades

    Traditional Homes Pilot - Gortavalla Farmhouse

    SEAI's Traditional Homes Pilot supports homeowners improving the energy performance of traditionally constructed dwellings while acknowledging their particular conservation needs.

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  8. exterior of School of Pharmacy at UCC
    Public Sector

    UCC School of Pharmacy implements bivalent heat pump retrofit

    University College Cork (UCC) is one of Ireland’s oldest universities with a strong track record of sustainability.

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  9. The Cottage, Loughmore - Community Co-Operative Shop & Tearooms.
    Communities

    EcoVision Sustainable Energy Community (SEC)

    EcoVision – what started as a community energy initiative is now a thriving community cooperative business.

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  10. Ellie, a homeowner, outside her newly upgraded house
    Home Energy Upgrades

    Cork cottage goes from BER D2 to A3

    Homeowner Ellie wanted to create a cosy cottage vibe for her new home

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  11. houses-solar-panels
    Energy Research

    Software enables authorities to assess energy performance of housing

    Retrokit 2.0 is a cloud-based project planning and implementation toolkit to foster the uptake of deep energy retrofit in housing.

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  12. ocean-wave
    Energy Research

    Ireland now has an integrated solar, wind and wave energy forecasting system

    Researchers have been working on ways to improve forecasting capabilities to benefit effective renewable energy usage.

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  13. Defence Forces
    Public Sector

    The Defence Forces reach decarbonisation targets through energy upgrade measures

    Throughout its facilities, the organisation has undertaken energy upgrades including solar panels, EV charging infrastructure, heat pumps and new heating systems.

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  14. Energy efficient homes
    Energy Research

    The reality of daily energy use in A-rated homes

    We all know that A-rated homes are the most energy efficient - but how do they perform in the reality of daily use, compared to expectations?

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  15. the owner of Shannon Springs sitting in their restaurant
    Business & Industry

    Easy Wins Business Case Studies

    Hear from SMEs across Ireland who have received funding and support from SEAI to reduce costs and carbon emissions. It’s an easy win!

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  16. EEOS case study
    Business & Industry

    Obligated Party Support – Louth County Council and Energia 2023 partnership 

    Energia, an Obligated Party, provided technical and financial support to Louth County Council, enabling them to complete home energy upgrades at 195 homes. They then claimed the resulting energy savings credits against their Residential and Energy Poverty targets. 

    Find out more
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