Carbon Market Watch warns slower ETS cap cuts could add three years of EUA supply

Carbon Market Watch warns slower ETS cap cuts could add three years of EUA supply An NGO's reading of a Brussels reform proposal points to looser allowance availability, even as price signals stay mixed and corporate emissions data remain patchy. A proposal to slow the pace at which the EU's carbon allowance supply tightens could keep extra permits in the market for another three years, the NGO Carbon Market Watch said on Monday (2026-05-18).² The EU Emissions Trading System works by squeezing supply faster than industry can cut emissions, forcing the EUA price up until burning gas instead of coal, or abating altogether, becomes the cheaper option. Loosen the trajectory and the scarcity that underpins the price weakens. The system is on track for a steepening reduction in the cap, and a delay would push that tightening into the back half of the decade.² For now the price is not behaving as if a supply glut is imminent. European carbon recovered after an initial decline following the United States' rejection of Iran's latest peace proposal over the weekend, Carbon Pulse reported on Wednesday (2026-05-20), and made strong afternoon gains as fundamental sentiment turned more positive among traders. UK allowances jumped to a three-month high in the same session (2026-05-20).³ So the near-term tape and the longer-run supply worry pull in opposite directions. Traders bid the contract up on the day (2026-05-20); the NGO is flagging a policy path that, if adopted, would add length over years rather than weeks. Both can be true at once. Our own signal read on the December-rolling EUA contract shows no clear direction, with bullish and bearish weight evenly matched.^2,3 The supply question lands on a market where the demand side is hard to measure. Less than 40% of the almost 10,000 firms in MSCI's world index report their scope-one and scope-two emissions, the index provider's research arm found.⁴ That gap widens further up the chain. Only 55% of European oil and gas companies disclosed scope-three emissions, the data-tracking firm CDP found in a recent report, even though those downstream emissions account for the vast bulk of the sector's carbon footprint and as much as 90% of emissions in some industries.⁴ The ambition gap is just as wide. CDP said 69% of the companies it tracks have committed to reach net zero by 2050 or sooner, but only 17% have set medium-term targets or produced a quantified decarbonisation strategy.⁴ A pledge without an interim target tells a carbon desk little about when abatement, and the allowance demand tied to it, actually arrives.⁴ The reform debate runs alongside questions about whether Europe is keeping its lead. Britain is risking its low-carbon advantage as investors look elsewhere, while a separate report finds the carbon insurance market set for rapid growth. Neither is a price catalyst on its own. Both point at capital and risk appetite being repriced around carbon faster than the policy framework is settling.² A weaker EUA price lowers the carbon cost embedded in power generation and shifts the economics of coal against gas in the stack. In Britain that calculus sits inside a market already being reshaped by curtailment as renewable build-out accelerates, Montel reported.¹ A Brussels cap decision is never only a carbon-desk story. The next pieces of evidence are scattered. The ICAP status report mapping how carbon capture is treated across trading systems will shape long-run abatement assumptions.⁵ In China, the CEA price stayed rangebound over the past week amid a lack of policy updates, with analysts forecasting a June dip, Carbon Pulse reported on Friday (2026-06-05).⁶ The unresolved risk is timing. A looser cap is a proposal, not law, and the three-year supply figure is an NGO's estimate of one path through the reform.² If Brussels holds the current trajectory, the scarcity story stays intact and the bid seen on the day (2026-05-20) has fundamentals behind it. If the proposal advances, the back end of the curve has length it is not yet pricing.^2,3