Brussels: Delaying a tax rarely angers the people who pay it, yet the European Union’s decision to push back its new carbon pricing system for heating and road fuel has produced an unusual complaint. The one-year delay meant to spare households pain will, by the Union’s own logic, leave the most vulnerable with less help, not more.
The scheme, known as ETS2, extends carbon costs to fuels burned in buildings and cars, the emissions that touch ordinary budgets most directly. After warnings that a 2027 start would collide with stretched household finances, co-legislators agreed in late 2025 to postpone it to 2028. Ten governments, led by Italy and Poland, still want the Commission to soften the design further.
The revenue that vanishes with the delay
Here lies the paradox. ETS2 was never only a price signal. Its revenues bankroll the Social Climate Fund, the pot designed to shield low-income families and to pay for insulation, cleaner heating and transport alternatives. Delay the carbon price by a year and the fund collects a year less. Analysts estimate the postponement shrinks the fund by roughly 10 billion euros, about 16 percent of its planned size, according to environmental groups tracking the file.
The distributional politics cut both ways. A carbon price on petrol and heating oil hits rural and lower-income households hardest, since they spend a larger share of income on energy and often cannot switch quickly to electric alternatives. That fear drives the ten-country pushback. Yet the compensating fund only works if the carbon price actually raises the money, so trimming the price to ease the burden also starves the instrument meant to offset it.
A signal investors struggle to read
Beyond household bills, the delay muddies the market. Firms weighing investments in heat pumps, building renovation or low-carbon logistics need a predictable price on carbon to justify the spending. A moving start date and open talk of further changes, canvassed by industry watchers, weaken exactly the certainty the scheme was meant to create.
The climate arithmetic tightens too. The Union has bound itself to steep emissions cuts by 2030, and buildings and transport remain stubborn laggards. Every year without a price signal in those sectors makes the 2030 target harder and pushes more of the burden onto the years just before the deadline, when abatement gets expensive.
The delay also strains trust between capitals and Brussels. Member states signed up to a grand bargain in which a tougher carbon price came paired with generous social support, and reopening one half of that deal invites pressure to reopen the other. Governments that spent political capital selling the fund to voters now face a smaller pot to point to, while those demanding relief risk unravelling the very compensation their citizens were promised.
The honest reading is that no painless path exists. Impose the price on schedule and vulnerable households feel it first. Delay it and the fund built to protect them shrinks while the climate clock keeps running. The Commission now has to choose which discomfort to manage, and the ten governments pressing for a softer scheme may find that a gentler carbon price simply moves the cost from the fuel pump to the years ahead. Brussels wanted a policy that was both fair and effective. ETS2 keeps teaching it how rarely those two goals sit comfortably together.




