How Ireland's hospitality industry is decarbonising
Ireland’s hotels, guesthouses and restaurants are under growing pressure to reduce their carbon emissions. Guests increasingly ask about energy sources, waste handling and food miles, while regulators and insurers are tightening expectations around climate risk. The hospitality sector, which accounts for roughly 3–4 % of national tourism-related emissions according to SEAI and CSO data, is responding with practical measures rather than grand declarations.
Decarbonisation in this context means cutting direct greenhouse-gas emissions from operations and addressing the largest indirect sources such as purchased electricity, supply chains and guest travel. No single solution fits every property. A 12-bedroom guesthouse in County Clare faces different constraints from a 200-room hotel in Dublin city centre. Progress therefore looks incremental, site-specific and often unglamorous.
Measuring what actually matters
The first step for most operators is to establish a reliable baseline. The Sustainable Energy Authority of Ireland (SEAI) provides free energy audits and the Green Hospitality Programme offers sector-specific tools. Hotels that have completed these audits typically discover that electricity for heating, lighting and laundry represents 50–70 % of their reported emissions, while Scope 3 categories such as food procurement and staff commuting can add another 25–40 %.
Accurate measurement requires granular data. Many properties now log monthly electricity and gas readings, track water use per occupied room, and record waste volumes by type. Larger groups such as the Irish Hotels Federation have encouraged members to adopt the Hotel Carbon Management Initiative methodology, which standardises how hotels report emissions across borders. Smaller operators often begin with simpler spreadsheets before moving to dedicated software.
Real-world baselines from Irish counties
In County Kerry, family-run hotels participating in the Failte Ireland sustainability mentoring programme reported average emissions of 45–65 kg CO₂e per occupied room night before efficiency upgrades. In contrast, newer city hotels in Cork with heat pumps and LED retrofits have achieved figures closer to 25–35 kg. These numbers illustrate that location, building age and occupancy patterns drive large differences.
County Galway operators have used the results of SEAI audits to target specific savings. One mid-sized hotel in Salthill reduced its annual electricity demand by 28 % after replacing ageing chillers and installing variable-speed drives on pumps. The payback period was under four years at current energy prices.
Energy efficiency upgrades delivering measurable cuts
Retrofits remain the most common decarbonisation activity because they deliver immediate cost savings alongside emission reductions. Common projects include full LED lighting conversions, improved insulation in older buildings, and replacement of oil boilers with air-source heat pumps. Grants from SEAI’s Better Energy Communities scheme and the Climate Action Fund have helped cover 30–50 % of capital costs for many participants.
Heating is a particular focus in rural properties. In County Mayo and County Donegal, several hotels have switched from oil to biomass or heat pumps. One Westport hotel reported cutting its heating-related emissions by 62 % after installing a 150 kW ground-source system supported by a SEAI grant. The project also reduced exposure to volatile oil prices.
Renewable electricity procurement
Switching to renewable electricity contracts is now straightforward for most businesses. Suppliers such as Energia, Bord Gáis and Ecopower offer corporate power purchase agreements and green tariffs backed by Guarantees of Origin. Hotels that have signed these contracts report Scope 2 emissions falling to near zero on paper, although they still need to address on-site generation and efficiency to claim genuine decarbonisation.
On-site renewables are more challenging but increasingly visible. Solar photovoltaic arrays on south-facing roofs are common in the southeast. A hotel in County Wexford installed 85 kWp of solar panels in 2022 and expects to generate 25–30 % of its annual electricity on site. Battery storage is still rare because of high upfront costs, but several operators are monitoring falling prices.
Waste, water and the circular economy
Food waste is a significant emissions source in hospitality. The EPA estimates that the Irish food service sector discards approximately 100,000 tonnes of food annually. Hotels in Dublin and Limerick have responded by installing biodigesters, partnering with local pig farmers, or joining programmes such as FoodCloud that redistribute surplus meals to charities.
Many properties now separate organic waste at source and report composting or anaerobic digestion rates above 80 %. Single-use plastics have been largely eliminated from guest rooms in hotels participating in the Green Hospitality Award scheme. Reusable toiletries, glass water bottles and cloth laundry bags have become standard rather than optional.
Water conservation in water-stressed areas
While Ireland is generally water-rich, certain counties experience seasonal pressure. In County Clare and parts of Galway, hotels have installed low-flow showerheads, aerators and rainwater harvesting systems. One coastal property near Lahinch reduced its mains water consumption by 37 % after a comprehensive retrofit, easing pressure on local treatment plants and lowering associated energy use for pumping and treatment.
Supply chain decarbonisation
Food and beverage procurement typically accounts for 20–35 % of a hotel’s total carbon footprint. Operators are therefore shifting towards local suppliers, seasonal menus and reduced meat offerings. The Irish Food Board’s Origin Green programme has helped hundreds of producers document their own sustainability credentials, making it easier for hotels to choose lower-impact ingredients.
Some larger hotel groups have begun requiring Scope 3 data from key suppliers. This remains difficult for small artisanal producers, so practical compromises are common. A hotel in County Kildare now sources 70 % of its vegetables and dairy within 50 km and publishes the list on its website. Guest feedback has been positive and food miles have fallen measurably.
Low-carbon guest experiences
Hotels are also influencing guest behaviour. Properties in the Wild Atlantic Way corridor promote cycling and electric car hire instead of additional driving. Several hotels in County Mayo and County Sligo now offer e-bikes and have installed EV charging points powered by on-site solar where possible. These measures do not offset the emissions of international flights, but they reduce the footprint of the on-island portion of the trip.
Training, culture and staff engagement
Technical upgrades achieve little without changes in daily operations. Housekeeping teams that turn off lights and adjust thermostats only when rooms are unoccupied can save 10–15 % on energy. Several hotels run monthly “green team” meetings where staff suggest improvements and track progress against targets.
The Green Hospitality Programme provides free training modules covering energy, waste, water and biodiversity. Over 450 Irish hospitality businesses have completed the programme since 2018. Participants report both cost savings and higher staff retention, as many younger employees prefer to work for organisations that demonstrate environmental responsibility.
Policy, regulation and financial incentives
Ireland’s Climate Action and Low Carbon Development (Amendment) Act 2021 sets legally binding carbon budgets. The hospitality sector is not singled out, but it is affected through the public sector, large energy users and the agriculture and transport policies that shape food and mobility options.
The Carbon Tax, which rose to €56.20 per tonne in 2024, has increased the cost of fossil fuels and made efficiency projects more attractive. At the same time, the EU Taxonomy and upcoming CSRD reporting requirements are pushing larger hotel chains to document their decarbonisation pathways in greater detail. Smaller independent operators remain largely exempt but are still influenced through procurement standards set by corporate clients.
Access to finance for green upgrades
Banks and credit unions now offer green business loans with preferential rates for verified energy efficiency or renewable projects. The Strategic Banking Corporation of Ireland’s Greening Finance initiative has supported dozens of hotel retrofits. Verification usually requires an SEAI audit or equivalent third-party evidence, ensuring that funds are directed toward genuine emission reductions.
Challenges that remain
Despite progress, several barriers persist. Older buildings protected by architectural listing can be expensive to insulate without altering their appearance. Rural properties far from the gas network often rely on expensive oil or LPG until heat networks or hydrogen pilots become viable. High occupancy during peak tourist seasons can strain even modern systems.
Guest travel emissions dwarf on-site emissions for most international visitors. A return flight from London to Dublin adds roughly 200 kg CO₂e per passenger, compared with 30–60 kg for a typical hotel stay. Hotels cannot control aviation emissions, which is why many now focus on transparent reporting rather than promising complete carbon neutrality.
Skills shortages also slow progress. Qualified refrigeration technicians, heat pump installers and energy managers are in high demand. The sector is competing with data centres and pharmaceutical plants for the same talent pool.
Role of verified carbon retirement
Some hotels and their guests choose to address residual emissions by supporting verified carbon credit retirement. IMPT’s model allows properties listed on its platform to retire one tonne of UN-verified CO₂ for each booking made through the directory. The retirement occurs on the Ethereum blockchain and is funded from the booking commission, so the guest pays the standard room rate. This approach does not replace direct emission reductions but provides an additional layer for emissions that cannot yet be eliminated on site.
Properties using this system still complete efficiency upgrades and renewable procurement first. The retired credits cover only the gap that remains after those steps. Transparency reports published by IMPT show that the majority of credits retired to date come from UN-verified avoidance and removal projects, with public blockchain records allowing third-party verification.
What guests can do to support decarbonisation
Travellers can accelerate progress by choosing properties that publish credible data rather than vague green claims. Look for participation in the Green Hospitality Programme, SEAI audited status, or clear reporting on energy sources and waste diversion rates. Ask hotels about their EV charging, local sourcing policies and staff training programmes.
During the stay, practical actions still matter. Using towels and linens for multiple days, turning off lights and appliances, and eating locally sourced menu options all reduce the property’s per-guest footprint. Choosing direct trains or buses instead of internal flights for onward travel within Ireland also lowers the overall journey emissions.
Outlook for the next decade
The combination of rising energy costs, regulatory pressure and shifting guest expectations suggests that decarbonisation will continue to move from niche interest to core business practice. Hotels that treat it as a continuous improvement process rather than a marketing exercise are most likely to succeed.
Independent operators in counties such as Clare, Mayo and Kerry have shown that meaningful reductions are achievable even with limited capital. Larger groups are using their scale to negotiate better renewable contracts and invest in shared training programmes. The sector will not reach net zero overnight, but the direction of travel is clear: measure honestly, improve steadily, and report transparently.
Independent verification, whether through SEAI audits, Green Hospitality awards or third-party carbon retirement records, helps maintain credibility. As more data becomes available, both operators and guests will be able to distinguish genuine progress from greenwashing.
For travellers who want to book properties actively engaged in this work, tools now exist to match sustainability criteria with availability and price. The hospitality industry’s decarbonisation is not a single event but an ongoing process of reducing emissions at every level of operation.
Ready to book a stay at a hotel actively reducing its emissions? Use the IMPT directory to find and compare verified properties across Ireland. Each booking automatically retires one tonne of UN-verified CO₂ through the platform while you pay the normal room rate.