The European Union's energy crisis is making electrification increasingly attractive as the bloc seeks to reduce reliance on imported fossil fuels, the International Energy Agency said Tuesday.
Around 70% of EU electricity generation already comes from domestic low-emission sources, yet electricity supplies less than one-quarter of end-use energy demand while fossil fuels still account for roughly two-thirds of consumption.
The bloc imports over 80% of the fossil fuels used across industry, buildings and transport, making energy security concerns a growing driver of electrification, according to the IEA.
Electric technologies can remain cheaper to operate than fossil-fuel alternatives even when electricity costs more per unit of energy because many electrified solutions deliver substantially higher efficiency, the IEA said.
Fuel-price ratios differ significantly across EU countries due to variations in taxes, subsidies, grid fees and resource availability. Countries with lower electricity-to-fuel ratios generally report higher electrification rates and stronger power demand.
In colder countries with higher heating needs, or where people drive longer distances, heat pumps and EVs can remain cost-effective even when electricity is relatively expensive. Their higher efficiency and greater use help offset higher upfront costs through lower running costs.
The IEA said electric vehicles and high-temperature industrial heat applications typically require electricity-to-fuel price ratios of 1:2 to achieve cost competitiveness, while buildings and low-temperature industrial heat often remain viable at ratios between 2 and 3.5.
Even where electrification reaches cost parity, high upfront costs, infrastructure requirements and consumer uncertainty remain significant barriers to adoption.
Japan's end-use electrification share exceeds that of any EU country despite higher average fuel-price ratios than 10 EU nations, the IEA added.
Heat pumps offer lower lifetime costs than gas boilers in 17 EU countries, which together account for about 40% of the bloc's low-temperature industrial heat demand. Another 35% of demand sits in countries where costs remain within 5% of gas alternatives.
Low-temperature heat accounts for roughly 15% of industrial energy demand and could be supplied almost entirely by heat pumps. For higher-temperature applications, industries will likely need electric boilers, resistance heating and arc furnaces, the IEA said.
The IEA added that flexible electricity tariffs and lower grid fees could improve the economics of electrification. Denmark, Germany and the Netherlands have already introduced measures that reward flexible power consumption.
Residential heat pumps operate three to five times more efficiently than conventional heating systems, although adoption remains uneven across Europe. Nordic countries lead deployment, while Portugal, France and Austria generate around half of equipment sales from heat pumps.
Owning a heat pump costs less than owning a gas boiler across 16 countries that account for about one-third of EU residential heating demand. In the Netherlands, Portugal and Bulgaria, ownership costs run 15%-30% below gas boiler costs.
The IEA said heat pumps remain equally or slightly more expensive across 11 countries, including Germany, Poland and France, which together represent about two-thirds of EU heating demand. However, cost gaps stay below 5% in all but five markets.
Heat pumps also generate annual energy savings of as much as 800 euros ($925.3) while improving indoor comfort, air quality and property values. The technology additionally reduces exposure to fossil-fuel price swings and local pollution.
Heat pump adoption is constrained by higher upfront costs, more complex installations and uncertainty over project costs. Urgent replacement needs often lead households to choose familiar gas boilers, highlighting the need for stable policy support, low-cost financing and installation assistance.
Battery electric vehicles consume four to five times less energy per kilometer than comparable internal combustion engine models. Based on 2025 prices, EV buyers can recover higher purchase costs within eight years in 11 of the EU's 27 countries.
The IEA expects EV competitiveness to strengthen as battery costs decline and more affordable models enter the market. Electric car sales rose about 30% over the first four months of 2026, while residential heat pump sales across 11 major European markets increased 17% in Q1.
The oil shocks of the 1970s reshaped energy systems, prompting the EU to add 80 gigawatts of nuclear capacity between 1975 and 1985, while France improved new-vehicle efficiency by 20%, according to the IEA.
The agency said the 2022 gas crisis put the EU on track to eliminate Russian gas from its energy system by 2027. Stronger electrification can help shield consumers from future energy shocks while improving long-term energy resilience.