SSE and Hydro Benefit

Scottish & Southern Energy PLC 17 November 2003 Monday 17 November 2003 SCOTTISH AND SOUTHERN ENERGY plc AND HYDRO BENEFIT Scottish and Southern Energy plc (SSE) has welcomed the decision announced today by the Gas and Electricity Markets Authority (Ofgem) that Hydro Benefit should be abolished with formal effect from April 2005. Hydro Benefit in its current form was created when the Scottish electricity industry was privatised in 1991, a year after privatisation in England and Wales. It is a formula-based payment made by SSE's generation business to its distribution business which was originally established to reflect the relatively high cost of distributing electricity over the north of Scotland. In 2002/03, the value of Hydro Benefit paid out by SSE's generation business was £38.6m. To date, it has had a total implied value of almost £500m since privatisation and will total £570m by the end of the current price control period in 2005. The abolition of Hydro Benefit, which was a unique feature of Scottish electricity privatisation, will remove an anomaly and will also assist progress towards the introduction of British Electricity Transmission and Trading Arrangements (BETTA), scheduled for April 2005. Ian Marchant, Chief Executive of SSE, said: 'We have always supported in principle the development of a single set of arrangements for electricity transmission and trading in Great Britain. The abolition of Hydro Benefit will remove a legacy from electricity privatisation which is no longer appropriate as we move towards a modern, single British electricity market. It is, therefore, very welcome. This is a significant step forward which also helps pave the way for the introduction of BETTA in 2005.' For further information please contact: Scottish and Southern Energy plc Alan Young - Director of Corporate Communications +44 (0)870 900 0410 Denis Kerby - Investor and Media Relations Manager +44 (0)870 900 0410 Financial Dynamics Andrew Dowler +44 (0)20 7831 3113 This information is provided by RNS The company news service from the London Stock Exchange

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