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When will the EU switch away from coal?

In the US, electricity producers are switching from coal to less polluting natural gas thanks to lower gas prices. However in the EU, the carbon price has been too low to make natural gas competitive with coal.

By: Date: December 21, 2015 Topic: Energy & Climate

Despite a weak climate policy the US reduced its energy related carbon emissions by the same amount as the EU (9 percent) between 2000 and 2014.

The main reason for this remarkable drop in emissions was that US electricity producers switched from coal to less polluting natural gas in electricity production, after the shale-gas revolution cut gas prices.

The EU carbon price, the cost to companies of producing one tonne of carbon dioxide (€/t), was too low to make natural gas competitive with coal, and as a result EU electricity producers have failed to make the switch.

We present the carbon prices necessary for US and EU power production to switch from coal to gas in the graph below. This is based on the corresponding fuel prices (in the EU, CIF ARA coal and TTF gas; in the US, Appalachian coal and Henry Hub gas).

Eventually, the European emission trading system is likely to achieve such carbon prices, as every year less allowances are allocated. To make the expected future scarcity of allowances visible already in today’s prices – and thereby contribute to an earlier switch from coal to gas – we argue that the credibility of the European emission trading system should and can be strengthened (see our proposal here).

Although natural gas prices in the EU have dropped by 45% in the last two years, significantly reducing the carbon price required for switching, coal prices have also fallen by 30%. This means that for natural gas to drive out coal in EU electricity production, either gas price would have to drop by another 30% (to about 3,5 USD/MMBtu) or the carbon price would have to increase from less than 10 €/tCO2 to over 30 €/t CO2.

Note and Sources:

  • Carbon ETS price: ICE-ECX EUA, from Datastream, EURO per MT
  • Coal price US: Appalachian Coal, from Datastream, USD per MT
  • Natural Gas price US: Henry Hub, from Datastream, USD per MMBTU
  • Coal price EU: ICE API2 ARA Coal, from Datastream, USD per MT
  • Natural Gas price EU: TTF, from Datastream, EURO per MW
  • Heat rate for coal US, 2013: Peabody Energy, 10,555 btu/kWh
  • Heat rate for coal EU, 2013 : US Energy Information Administration, 10,459 btu/kWh
  • Heat rate for natural gas, 2013 : US Energy Information Administration, 7,948 btu/kWh
  • Amount of fuel used per kWh (in lb) is 1.03 lb according to EIA.
  • The calorific content is equal to:
    • 6,000 kcal/kg for ARA, equal 10,804.57 Btu/lb
    • 12,000 Btu/lb for Appalachian.

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