Environment data

Deloitte LLP has provided Limited Assurance of the 2011 HS&E data in the tables below (which appear on pages 74 and 78 of the Annual Report 2011) in accordance with International Standard on Assurance Engagements 3000 (ISAE 3000). Their procedures have included a review of our data monitoring and calculation processes and of the consolidation of this information, as well as conducting selected site visits. Their assurance statement explains their process and conclusions. An explanation of the HS&E indicators used and the basis of reporting is provided in the Pro forma
Year ended
31 December 2011 Pro forma
Year ended
31 December 2010 Total electricity output (GWh) 140,570 138,795 CO₂ emissions Total (’000 tonnes) 76,163 77,570 kg/kWh equivalent 0.518 0.521 SO₂ emissions Total (’000 tonnes) 125 158 kg/kWh equivalent 0.00085 0.00106 NO_x emissions Total (’000 tonnes) 88 81 kg/kWh equivalent 0.00060 0.00054 Particulate emissions Total (’000 tonnes) 9 10 kg/kWh equivalent 0.00006 0.00006 Number of significant TENCs (KPI) 1 6 Fines 3 2

Notes:

The pro forma results presented above assume that the Combination, which completed on 3 February 2011, occurred on 1 January 2010. The reporting perimeter comprises all plants where we have control or joint control over financial decisions and operational activities. This includes subsidiaries and joint ventures but excludes associates and projects under construction. A list of International Power subsidiaries, joint ventures and associates is shown on pages 205 to 207 of this report.

The electricity output and emissions figures above are based on net MWs of capacity owned during the year and exclude associates. Associates make up approximately 13% of net generation capacity.

The emissions intensity figures above take into account the significant quantities of energy used to produce desalinated water and steam at various plants. Figures for equivalent electricity output at these plants have been calculated to reflect this.

Significant TENCs are defined as higher than permitted pollution levels, or a lack of precautions which could potentially result in a risk to the environment, and for which the budget for recovery exceeds €150,000.

Fines are defined as court rulings which resulted in a fine.

Significant TENCs and fines are reported on a 100% basis, regardless of ownership percentage. The European wind portfolio is currently excluded from these figures.