Group History

  • 2017

    Announced Joint Venture between Pennon Water Services and South Staffordshire Group Plc (November 2016)

    Committed to 12th ERF at Avonmouth, near Bristol (November 2016)

    View the half year statement

  • 2016
  • 2015

    The acquisition and subsequent merger of South West Water and Bournemouth Water was unconditionally cleared by the Competition and Markets authority (CMA) on 5 November 2015.
    View the announcement

    Acquisition of Bournemouth Water from Sembcorp Holdings Limited
    Cash resources used for the Bournemouth Water acquisition replenished through an equity placing of £100.3m in April 2015.
    View the announcement

    Beddington ERF - Notice to Proceed with construction issued in June 2015

    A further three ERFs delivered before the end of the 2014/15 financial year: Cardiff, Runcorn I and Runcorn II.

  • 2014

    Final Determination for South West Water - December 2014
    View the announcement

    Oxford ERF - Takeover completed in November and plant operational

    Exeter ERF - Takeover completed in July and plant fully operational

    Draft Determination for South West Water - April 2014
    View the announcement
    Download the investor summary

    South West Water designated an 'enhanced' company by Ofwat
    View the announcement

  • 2013

    Residual Waste Treatment Contract Signed
    View the announcement

    Business Plan Submission to Ofwat
    View the announcement

    Peterborough 30-year Residual Waste Treatment Contract signed
    View the announcement

    Response to Further OFWAT Section 13 Notice to Modify Water Company Licences
    View the announcement

  • 2012

    Response To Ofwat Section 13 Notice To Modify Water Company Licences
    View the announcement

    25 Year South London Residual Waste Treatment Contract signed 5 November 2012
    View the announcement

    Glasgow City Council Residual Waste Treatment Services Contract signed
    View the announcement

  • 2011

    Oxfordshire Residual Waste Treatment PPP Contract signed
    View the announcement

  • 2010

    Completion of £400m clean water mains rehabilitation programme which saw 5,000km of water mains relined or replaced over 10 years

    Acquisition of Pearsons Group Holdings Limited for £16m
    View the announcement

    Acquisition of Reconomy recycling companies for a cash consideration of £23.8m
    View the announcement

    South West Water accepts Final Determination
    View the announcement

  • 2009

    Ofwat Final Determination of price limits for K5 period (2010 - 2015) received by South West Water. Next Determination due in 2014.
    View the announcement

    Intercontinental Recycling acquired for a cash consideration of £8.1m
    Download the announcement

    London Recycling Limited acquired for a cash consideration of £11m
    View the announcement

    Greater Manchester PFI Contract Completion
    View the announcement

  • 2008

    South London Waste Partnership won
    View the announcement

    Shore Recyling Ltd acquired for a cash consideration of £23m
    View the announcement

  • 2007

    Launch of pioneering customer support scheme 'Water Care' by South West Water
    Read more about Water Care on South West Water website

    Grosvenor Waste Management Ltd acquired for a cash consideration of £79.5m (plus debt of £1.5m)
    View the announcement

    Skipaway Holdings Limited acquired for £14.7m
    View the announcement

    Viridor/Laing consortium announced as preferred bidder for Greater Manchester Waste Disposal Authority PFI
    View the announcement

  • 2006

    Wyvern Waste acquired for £25.4m and 25 year PPP agreement entered into with Somerset County Council
    View the announcement

    £148.5m return of capital to shareholders by way of a B Share Scheme and share buy-back (announced with 2005 Interim Results)
    Download the report

    All 144 bathing waters in the South West region achieved 100% compliance with the EU Mandatory Standard

    Over half of South West Water's domestic customers on meters for the first time

  • 2005

    Lakeside Energy from Waste Limited 50:50 joint venture established with Grundon Waste Management
    View the announcement

    Brett Waste Management acquired.
    View the announcement

    All of the major projects in South West Water's 15 year "Clean Sweep" bathing water compliance programme completed

  • 2004

    Thames Waste Management acquired for £30.8m
    View the announcement

    Ofwat Final Determination of price limits for K4 period (2005 - 2010) received by South West Water. Next Determination due in 2009.

    Bid Approach from Terra Firma rebuffed
    View the announcement

    West Sussex integrated waste contract commenced.

  • 2003

    Churngold Holdings Limited acquired for £19.8m
    View the announcement

  • 2002

    Parkwood Holdings Limited acquired for £20.6m
    View the announcement

    Torbay £97m 'Clean Sweep' scheme completed

    Sale of Viridor Instrumentation for £103.6m and special interim dividend paid to shareholders from the net sale proceeds
    View the announcement

  • 2000

    Sale of Viridor Contracting for £10.9m
    View the announcement

  • 1998

    Group changes its name to Pennon Group Plc to better reflect the success of the Group's strategy of building two different areas of operational focus, SWW and Viridor

    Plymouth £63m 'Clean Sweep' scheme completed

  • 1997

    Landfill activities of Terry Adams acquired, initially for £76.6m. (Contingent considerations amounting to £7.9m followed).
    Download the announcement

  • 1996

    Bid approaches from Wessex and Severn Trent disallowed by the Board of Trade

  • 1995

    Blue Circle Waste Management acquired for £70.7m
    Download the announcement

  • 1993

    Purchase of the first of our waste companies, Haul Waste Limited for £28.7m, later renamed Viridor Waste Management Limited. Many other waste companies, small and large, have been purchased since 1993. The most significant transactions are given above.
    Download the announcement

  • 1991

    Interim Determination of K (IDoK) to fund South West Water's accelerated bathing water compliance programme

  • 1989

    Privatisation of the water industry in England and Wales. South West Water Plc one of ten water and sewerage companies launched on the London Stock Exchange.

    Roadford Reservoir completed providing 34,500 megalitres of water storage