Dublin: Thousands of Irish households are facing a significant financial burden ahead of winter as the price of home heating oil has risen by 59 per cent over the past year. The average cost of filling a 1,000-litre tank has now reached €1,443.88, compared with €909.24 in September 2025.
That represents an increase of more than €534 for a household filling the same quantity of oil.
The sharp rise has been attributed largely to disruptions in global oil supplies following the conflict involving Iran. Fuel industry representatives say the availability and price of kerosene, widely used for home heating in Ireland, have been particularly affected by instability in the region.
Rural households face the greatest impact
The increase is expected to have a particularly severe impact on rural households, where oil remains the dominant source of central heating.
According to the 2022 Census, 38.9 per cent of Irish households used oil as their main central heating fuel. Natural gas accounted for 32.7 per cent, while electricity was the main heating source for 11.8 per cent of homes.
However, dependence on heating oil varies significantly between counties.
Monaghan recorded the highest reliance, with 74.8 per cent of households using oil as their main heating source. The figures were 69 per cent in Cavan, 67.3 per cent in Wexford, 67.2 per cent in Donegal, 65.6 per cent in Leitrim, 62.6 per cent in Kerry, 60.8 per cent in Mayo, 60.2 per cent in Sligo and 60.1 per cent in Tipperary.
Oil heating was also widespread in Clare, at 58.2 per cent, Galway at 57.1 per cent, Longford at 56.6 per cent and Roscommon at 56.3 per cent.
By comparison, only 4.4 per cent of homes in Dublin City relied on oil as their main central heating fuel.
Why do so many rural homes depend on oil?
The use of heating oil does not necessarily mean that a home lacks an electricity connection. Many rural households use electricity for lighting, appliances, cooking and other purposes while relying on an oil-fired boiler to heat the entire house.
This is particularly common in older properties.
The heating landscape is changing in newer homes. Almost half of homes built after 2016 use electricity-based heating systems, while only around nine per cent use oil. New construction is increasingly moving towards heat pumps and other electricity-based technologies.
However, replacing an oil boiler in an older property is not always straightforward. A switch to a heat pump may require improvements to insulation, windows, doors and radiators, as well as changes to the heating system itself. The cost of such upgrades can make an immediate transition difficult for many households.
Limited access to the gas network
Another factor behind rural Ireland’s dependence on oil is the limited availability of natural gas infrastructure.
Although Gas Networks Ireland operates across much of the country, its network does not reach every town, village or rural property. Donegal, Leitrim and Sligo, in particular, remain outside the national natural gas network.
For many households in these areas, installing an external oil tank and using an oil-fired boiler has historically been the most practical option for heating their homes.
Why has kerosene become so expensive?
Kerosene is the principal fuel used for home heating oil in Ireland. Kevin McPartland, head of Fuels for Ireland, has previously highlighted Ireland’s particularly high dependence on kerosene for domestic heating compared with other European countries.
He said disruptions in the Middle East have had a significant effect on the kerosene market because home-heating kerosene and aviation fuel are closely related petroleum products. Supply pressures have therefore affected both availability and prices.
The current situation has drawn comparisons with the impact that the war in Ukraine had on diesel prices, with international instability once again feeding through to household energy costs.
Winter spending becomes a major concern
The biggest challenge for households could emerge in the coming months as temperatures fall and demand for heating increases.
Many families that delayed purchasing oil during the summer traditionally refill their tanks in September and October. For a household buying 1,000 litres, the additional cost compared with last year is now more than €500.
The impact is likely to be particularly significant for low- and middle-income families, many of whom have limited alternatives to oil heating.
Oil distributors have also reported that some consumers are purchasing smaller quantities rather than filling their tanks completely because prices can change from day to day. Others are contacting several suppliers to compare prices and waiting in the hope that costs will fall.
A difficult transition for older homes
Government policy is increasingly focused on improving energy efficiency and moving households towards renewable heating systems. The Sustainable Energy Authority of Ireland (SEAI) does not provide grants for installing new oil or gas boilers.
However, the transition away from oil is more complicated for older rural properties than for newly built homes.
For households in counties such as Monaghan, Cavan, Donegal, Leitrim, Mayo and Sligo, the combination of high oil prices, limited access to natural gas and the cost of upgrading older homes leaves few immediate alternatives.
With home heating oil prices now 59 per cent higher than a year ago, the issue is no longer simply one of energy consumption. For a large number of rural Irish families, it is becoming a major winter cost-of-living challenge.
Irish Samachar English News