Nitrogen Oxides (NOx) Charge

Last updated: 5 November 2017
The nitrogen oxides (NOx) charge in Sweden was introduced in 1992. The charge is based on measured NOx emissions by electricity and heat-producing boilers, stationary combustion engines and gas turbines producing at least 25 GWh of useful energy per year. The charge was raised in 2008 to 50 kronor per kilogram NOx.
The charge is also intended to encourage reduced energy output, and stimulate innovation in abatement technology. This encouraged the targeted plants to reduce their emissions of nitrogen oxides per unit of energy to the lowest possible level. Sources with high emissions relative to their energy output are net payers to the scheme, while sources with low emissions relative to energy output are net recipients.

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