Shared Responsibility - Npower

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Corporate <strong>Responsibility</strong> Report 2003During 2003 an incident at one of our CHP plantresulted in an exceedence of the limits in itsauthorisation conditions. In addition there werea number of incidents resulting in discharges tothe environment, which did not, however, exceedauthorisation conditions. All these occurrencesresulted in little or no environmental impact.We have been working with the EnvironmentAgency to put measures in place to preventfurther such occurrences.Climate ChangeThere is growing scientific evidence that emissionsof greenhouse gases caused by human activityare having a noticeable effect on the earth’sclimate. Climate change is a global issue,requiring a global response through measuressuch as the Kyoto Protocol. A key aim in the UKGovernment’s Energy White Paper, which waspublished in February 2003, is to cut the UK’scarbon dioxide (CO 2 ) emissions by 60% by 2050with real progress towards this target by 2020.We are committed to playing our part in reducingemissions of greenhouse gases and helping theUK Government to meet its climate change targets.However, the emissions of CO 2 from our portfolioare primarily determined by the competitivemarket in which we operate. During 2003our emissions of CO 2 were 27.5 million tonnes(Mtonnes) compared with 23.5 Mtonnes in 2002,and emissions per unit of electricity generatedincreased compared with emissions in 2002.This increase was mainly as a result of increasedgeneration at our coal-fired power stations.Generation at our coal-fired power stationsincreased because of the continued high pricesof gas and also because of lower availability ofother power stations in the UK.Atmospheric Emissions from Power StationsEmissions of pollutants such as sulphur dioxide(SO 2 ), nitrogen oxides (NO x ) and particulatesare an inevitable consequence of burning fossilfuels in power stations. Authorisations from theEnvironment Agency for our power stations setlimits on the amounts of these pollutants thatwe can release into the environment. Reducingemissions of these pollutants is a key driver forus in ensuring that we can maintain levels ofgeneration across our portfolio.Over the last year emissions per unit of electricitygenerated of SO 2 decreased compared withemissions in 2002 due to an increased use of lowsulphur coal. Emissions of NO x and dust increasedslightly due to increased generation at ourcoal-fired power stations. We remained well withinthe overall limits set by the Environment Agencyalthough our total emissions of SO 2 and NO xincreased compared with 2002.CO 2 Emissions(Mtonnes)CO 2 Emissions(g/kWh)Detailed data can be found on our websiteat www.rwenpower.com/cr/environment40302023.527.580060040067970820022003Useful website linkswww.dti.gov.uk/energy/whitepaper/index.shtmlwww.environment-agency.gov.ukwww.npower-renewables.com102000 018
EnvironmentAir Quality Management Plans are in place at allour coal and oil-fired power stations. These plansprovide a mechanism to ensure that operation ofour power stations does not lead to exceedencesof the EU and UK National Air Quality Strategytargets, which come into effect in 2004 and 2005respectively. We have completed our schedule ofinstallation for air quality monitoring sites andreport quarterly to the Environment Agency on theimpacts of our power stations on local air quality.During 2003 measured levels of pollutants werewell within the levels required by future National AirQuality Strategy targets.In response to forthcoming European legislationaimed at reducing emissions of SO 2 , NO x anddust, we submitted a planning application to theDTI in August 2003 for consent to build a FlueGas Desulphurisation (FGD) plant at Aberthawpower station. The application seeks permissionto build a plant that would use seawater toconvert the SO 2 in the flue gases to sodiumsulphate and calcium sulphate, both of whichoccur naturally in the sea. If consent is giventhe plant could be operational by 2008.An executive summary of the environmentalimpact assessment of the project is availableon www.rwenpower.com/pdf/Aberthaw.pdf.Emissions TradingWe believe that the EU Emissions Trading Scheme,which is due to begin in January 2005, will be aneffective mechanism for reducing CO 2 emissions,provided it is introduced in a way that allows anefficient market to develop.During 2003 we have actively contributed tothe consultations on how the Emissions TradingScheme should be introduced and have takensteps to ensure that our operational proceduresare developed. In 2004 we will continue thiswork to ensure that our systems are ready totake account of the impacts of the scheme onthe electricity market.Little Barford Power StationImproving the efficiency of our power stations has always beenimportant, and will become increasingly important after the EUEmissions Trading Scheme begins.SO 2 , NO x and Dust Emissions(ktonnes)SO 2 , NO x and Dust Emissions(g/kWh)1007591.896.463.573.64.03.02.652.4820022003502.01.831.90251.00 0.02.613.410.080.09SO 2NO xDustSO 2NO xDust19
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