Question 1

What is EUTL?

Accepted Answer

EUTL means the EU Transaction Log (European Union Transaction Log), the registry backbone of the EU ETS. It records allowances, free allocation, surrender and related compliance data. Official legal status stays with the Union Registry and Commission publications.

Question 2

What is eutl.eu?

Accepted Answer

eutl.eu is the independent EUTL explorer from Carbon Insights. It shows surplus (TNAC), visible to market, plant long and short positions, and free allocation windfall or shortfall cost. It is not an official EU website.

Question 3

What is the official EU ETS surplus (TNAC)?

Accepted Answer

TNAC is the Total Number of Allowances in Circulation published by the Commission by 1 June. The Market Stability Reserve acts on this number. This explorer shows it next to visible to market and in accounts today.

Question 4

What does visible to market mean?

Accepted Answer

Visible to market starts from the official surplus, then adjusts for late reports, shipping not owed in earlier phase-in years, the aviation adjustment, and Effort Sharing cancellations.

Question 5

What is windfall on this explorer?

Accepted Answer

Windfall is the market value of spare free allowances (free allocation above surrendered), at each year's average auction price. It is not cash received. Shortfall cost is missing allowances at the same price.

Question 6

Where does this explorer's data come from?

Accepted Answer

Figures come from the EU Union Registry extract, Commission surplus notices, and EEX auction prices. Method on this site lists sources and how each total is counted. Powered by Carbon Insights.