Carbon pricing
Until the end of the Brexit transition period, the UK participated in the EU's emissions trading scheme (ETS), under which those covered by the scheme were required to obtain allowances or 'permits' to emit. The ETS only covers power generators and businesses operating in very energy-intensive industry sectors including oil refineries, and cement, steel and chemical production, plus aviation involving flights within the EU. The UK is now introducing its own ETS which is expected largely to mirror the EU ETS, albeit with proportionately fewer allowances in play in an attempt to make carbon more expensive.
There are two structural issues with any system of carbon pricing, whether that is in the form of an ETS or a tax.
The first is that it does not cover all those who emit within a country. Taken together, those covered by the ETS are responsible for only around a third of the UK's emissions. Some of those interviewed by the EAC called for carbon pricing across the whole economy, possibly in the form of a carbon emissions tax rather than extending the ETS. This aspect was not covered in much detail in the EAC report, but the committee recommended that the government begin scoping work on a carbon tax. There have been press reports suggesting that the government is already doing this.
The second issue is that those countries that have a form of carbon pricing might make themselves less competitive than countries that do not. Carbon pricing in one country would simply lead to 'carbon leakage' if production moved into that lower cost country.
The ETS deals with the problem of carbon leakage by giving free credits to businesses which compete with businesses in countries not subject to carbon pricing. However, in terms of reducing emissions, this defeats the object of having a carbon price in the first place.
Accordingly the EU is intending to introduce a carbon border adjustment mechanism (CBAM) in 2023. A CBAM would apply a price to raw materials which have been extracted or produced outside the UK in order to ensure that domestic businesses are not unfairly beaten on price. There would be a credit or an exemption for materials originating in a country which applies a carbon price, thus providing a spur to ensure more countries introduce carbon pricing domestically. Over time, the EU would seek to extend the CBAM to cover finished goods where equivalent goods produced domestically are subject to domestic carbon pricing
The EAC recommended that the government investigates the merits of a CBAM for the UK, although it said that measures would be required to ensure that the policy did not adversely impact developing countries.
With the UK taking over presidency of the G7 this year and hosting a meeting of leaders in Cornwall in July, and hosting the UN Climate Change Conference of the Parties (COP26) in Glasgow in November, there is a clear view emerging from government that the UK should be a world leader in the race towards net-zero.
We will have to wait to see whether the UK introduces tax and spend measures to help to give the UK a reasonable prospect of achieving its net zero commitments. Businesses would, however, welcome a fiscal roadmap from the UK government for how the tax system might evolve as regards green tax measures, giving them the best chance to plan ahead.
A version of this article was first published on the CIOT's blog.