more wind power was added. If wind power is raised from 6000 MW to 15,000 MW, then a rise in electricity to 200 PJ will lead to a decrease in biomass fuel consumptions to 200 PJ. It should, however, be emphasized that such a replacement leads to a significant increase in the demand for hydrogen as an energy carrier, which results in considerable efficiency losses.

The primary energy supply is expected to increase from approximately 800 PJ in 2004 to nearly 1000 PJ in the "business-as-usual" reference (Ref 2030). If the proposed IDA 2030 plan is implemented, the primary energy supply will fall to below 600 PJ, and CO2 emissions will decrease by 60 percent compared to the year 1990.

If the 100 percent renewable energy system proposed for year 2050 (IDA 2050) is implemented, the primary energy supply will fall to approximately 400 PJ, and the CO2 emission will, in principle, be equal to zero. However, some waste is included in the biomass resources, of which some will result in a minor CO2 emission. Moreover, it should be mentioned that Denmark will still contribute to greenhouse gas emissions from gases other than CO2. In total, however, the Danish greenhouse gas emissions will decrease by approximately 80 percent.

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