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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Heat pump and Solar PV array at Ballyogan Operations Centre
Business & Industry
Public Sector
Renewable Technologies
Featured

Dún Laoghaire-Rathdown County Council Ballyogan Operations Centre Decarbonisation Project

This case study examines the decarbonisation project for the Ballyogan Operations Centre, part of Dún Laoghaire-Rathdown County Council corporate estate. It serves as a powerful example of what can be accomplished through collaboration and shared values, and it will undoubtedly inspire other public bodies who are looking to enhance energy performance.

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Aerial view of Astellas Kilorglin site.
Business & Industry
Large Industry Energy Network

Astellas Ireland achieving significant sustainable energy goals

The Astellas Killorglin site is reaping the benefits from investing in several energy efficiency projects.

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Group photo taken at Broiler Advisory Services.
Business & Industry

Broiler Advisory Services Reduces Energy by 52% with EXEED

Through SEAI's EXEED-certified Energy Efficient Design approach, Broiler Advisory Services reduced farm energy use and associated carbon emissions by 52%, saving 1.4 GWh and 350 tonnes of CO2e annually while improving operational control.

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David Currid, owner of Grantstown Nurseries, holding a box of tomatoes.
Business & Industry
Renewable Technologies

Grantstown Nurseries install biomass boiler

A second-generation tomato grower moves away from using fossil fuels to renewable heat to heat the glass houses.

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The Energy Team at Kepak Group accepting their SEAI Energy Award 2025.
Business & Industry

Kepak makes award winning energy efficiency improvements

Kepak Group won the SEAI Energy Award 2025 for ‘Large Business’

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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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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.

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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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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.

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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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  1. Members of Youghal SEC
    Climate Action
    Communities

    Youghal Blue & Green Community Network SEC

    Youghal SEC is part of a proactive community-led network which has created a membership model approach for other communities to follow. Their goal is to reduce their carbon footprint while also fostering a sense of pride and collective responsibility within their town in County Cork

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  2. A group of URL people standing infront of a fish sculpture
    Climate Action
    Communities

    Sligo Sustainable Energy Community

    Sligo town’s largest energy users and employers are working together to achieve behavioural change and lower carbon emissions across Sligo and Leitrim.

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  3. Four people riding bikes
    Climate Action
    Communities

    Triple SEC: Connecting Cabra SEC, Phibsboro Village SEC and Cosybatter SEC

    Triple SEC is changing the narrative around retrofitting to make it understandable and accessible to everyone in their community.

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  4. Family outside house with solar pv
    Communities
    Climate Action

    Greystones and Delgany SEC

    Greystones and Delgany Sustainable Energy Community (SEC) are tackling climate change in Co. Wicklow through grassroot initiatives, embracing innovation through technology and nature-based solutions.

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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. Diageo_St-James-Gate_EXEED-Case-Study
    Business & Industry
    Climate Action

    Diageo invests in St. James's Gate Brewery through EXEED

    International beverage manufacturer Diageo are planning significant investments for their St. James's Gate Brewery site in Dublin through the EXEED managed process

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  7. Element-Six-site
    Business & Industry
    Climate Action
    Featured

    Element Six makes big strides on their decarbonisation journey

    Element Six implemented the Energy Management System (EnMS0 ISO50001:2018 standard on their site, in addition to a heat pump, to continually improve energy performance.

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  8. Temmler
    Business & Industry
    Climate Action
    Renewable Technologies

    Temmler switches from Oil to Biomass

    Switching to a Biomass Boiler helped Temmler to hit its
    decarbonisation goals.

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  9. Annahagh-Roundabout-After_thumbnail
    Renewable Technologies
    Climate Action
    Communities

    Public Lighting Upgrade for County Monaghan

    Monaghan County Council is the first local authority to retrofit all its streetlights to LEDs.

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  10. Marine-Institute-staff
    Business & Industry
    Climate Action

    Marine Institute Staff Engagement Campaign

    The Marine Institutes's 'Get Greener' staff engagement campaign has reached several hundred staff with a series of mini campaigns that highlighted ways to save energy at work and at home.

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  11. One-small-change-logo
    Climate Action

    Courts Service Staff Engagement Campaign

    The Courts Service quickly recognised that the engagement of staff was key to making energy efficiency gains.

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  12. Inishowen-SEC
    Communities
    Climate Action

    Inishowen Sustainable Energy Community leads the way

    Inishowen Sustainable Energy Community (SEC) plans to become a renewable energy centre of excellence.

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  13. Port-of-Waterford_1200-x-800px
    Climate Action
    Communities

    Port of Waterford hits 2020 energy efficiency targets

    Port of Waterford have achieved their 2020 energy efficiency targets and are working towards the dual energy efficiency and carbon reduction targets for 2030, assisted by EcoMerit and ISO 14001 certifications.

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  14. Defence-Forces_PV_1200-X-800px
    Climate Action

    The Defence Forces's Solar PV Project

    The Irish Defence Forces continues its programme of implementing renewable energy onsite generation through the installation of Solar PV systems.

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  15. TG4_1200-x-800-px
    Climate Action

    Energy efficiency at TG4

    TG4's philosophy is to do more with less - this ideology has been actioned through their efficient use of energy and 'green' project planning.

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  16. Dublin-city-grab_1200-x-800-px
    Business & Industry
    Climate Action

    Dublin City Council leading by example

    Dublin City Council (DCC) won the Leadership in Public Sector Award at the SEAI Energy Awards 2020 and is one of ten award winners.

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