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The following table shows global installed capacity for gas-fired electricity generation for 2009 (the latest year for which actual data are available) as well as projected values for 2020 and 2030 under three different scenarios. All of these data have been sourced from the IEA's 'World Energy Outlook 2011' publication.<Table width="100%" summary="" cellspacing="3" cellpadding="3" border="0"><TR><TD></TD><TD>New Policies Scenario global capacity (GW)</TD><TD>Current Policies Scenario global capacity (GW)</TD><TD>450 Scenario global capacity (GW)</TD></TR><TR><TD>2009</TD><TD>1,298</TD><TD>1,298</TD><TD>1,298</TD></TR><TR><TD>2020</TD><TD>1,749</TD><TD>1,767</TD><TD>1,727</TD></TR><TR><TD>2030</TD><TD>2,016</TD><TD>2,108</TD><TD>2,014</TD></TR></Table>The central scenario is the New Policies Scenario, in which recent Government policy commitments are assumed to be implemented in a cautious manner even if they are not yet backed up by firm measures. The Current Policies Scenario assumes no new policies are added to those in place as of mid-2011. The 450 Scenario works back from the international goal of limiting the long-term increase in the global mean temperature to two degrees Celsius (2°C) above pre-industrial levels, in order to trace a plausible pathway to that goal. |