Our history

SSE reduces the number of gas and electricity tariffs in the most significant change to our product range since the company was formed in 1998.

SSE has over one gigawatt of onshore wind farm capacity for the first time.

The largest carbon capture pilot plant in the UK was opened in Ferrybridge.

SSE pulls out of agreement with Consortium with GDF Suez, Iberdrola to develop new nuclear power stations.

SSE takes decision to suspend all of its doorstep sales activity in Great Britain.

The UK Energy Minister, Charles Hendry MP, visited the new gas storage facility at Aldbrough to mark its official opening.

SSE and Statoil enter into a 10-year contract for the annual supply of 500mcm of natural gas, to be delivered to Peterhead power station.

The first turbine at Clyde wind farm in South Lanarkshire is energised and exports electricity to the national grid for the first time.

SSE takes first steps into the upstream gas sector and acquires North Sea natural gas assets and infrastructure from Hess Limited.

Greater Gabbard and Walney offshore wind farms generated electricity for the first time.

SSE, GDF Suez and Iberdrola announced their joint venture nuclear company - given the name NuGeneration Ltd.

SSE announced new partnership with Mitsubishi to develop low carbon technologies.

SSE and nPower secure rights to develop 500MW Galloper wind farm off the coast of Suffolk.

SSE purchased a 15% stake Burntisland Fabrications Ltd, a manufacturer of offshore structures for the energy industry.

SSE awarded exclusive rights to develop 400MW of wave and tidal energy in Pentland Firth and Orkney Waters and a further 400MW with partners Aquamarine and OpenHydro.

SSE Telecommunications entered into an agreement to acquire the ATLAS Connect fibre telecommunications network spanning six business parks across Scotland.

Scottish ministers granted consent, with associated conditions, to install a 4000,000 volt overhead transmission line and replace an existing 132,000 line between Beauly, near Inverness and Wharry Burn, near Stirling.

Acquisition of stake in Walney Offshore Wind Farm, 14km west of the Isle of Walney in the Irish Sea.

Joint venture, Marchwood CCGT Power Station opens. The UK's first large-scale new CCGT power station to enter commercial operation for five years.

Announced plans for new Centre of Engineering Excellence for Renewable Energy in Glasgow.

Joint venture to develop an onshore wind farm in Jamtland, Sweden.

Acquisition of Uskmouth power station.

HM the Queen opens Glendoe, Scotland's first conventional large scale hydro electric power station for 50 years.

Proposal to develop two new large scale pumped storage hydro electric schemes in the Great Glen.

Acquisition of Slieve Divena phase II wind farm project in County Tyrone, Northern Ireland.

Agreement to acquire Abernedd Power Company Limited from BP.

Consortium with GDF Suez, Iberdrola and SSE confirms ambitions to develop new nuclear power stations.

Formation of consortium with Fluor Limited to bid for exclusive rights to develop wind farms under the Crown Estate's Round 3 Offshore Wind Farm Development Programme.

Obtained consent to develop Dutch offshore wind farm 'Breeveertien II'.

SSE obtained consent to develop the Dutch offshore wind farm West Rijn

Sale of 50% of the equity in Greater Gabbard Offshore Winds Limited to npower renewables.

Purchase of Cumbernauld Customer Service Centre.

Investment in Premium Power Corporation (PPC), a US-based specialist supplier of energy storage systems.

Announcement of plans to invest in the world's largest offshore wind farm at Greater Gabbard.

Joint venture with Gothia Vind to develop wind farms in western Sweden.

Investment in Geothermal International Limited, the UK's leading supplier of ground source heating and cooling systems.

Investment in Onzo Limited, a data systems development business, with specific interests in the development of display devices that support smart metering systems.

Joint venture with Intelligent Energy to develop clean and reliable, fuel-cell based, combined heat and power systems.

Acquisition of Seeboard Trading Limited.

Acquisition of Slough Heat and Power Limited.

Acquisition of CHP Supply Limited marking the first phase of SSE’s move into the Irish supply market.

Acquisition of Airtricity Holdings Limited.

First company to top JD Power Customer Satisfaction Survey for both gas and electricity.

Acquired a 1,100km fibre optic network from TeliaSonera International Carrier UK Ltd.

SSE gets licence to operate water networks.

Energy customers top 8 million for the first time.

Beauly-Denny power line public inquiry gets under way.

50:50 joint venture with Ireland's ESB international to build Marchwood gas-fired power station.

Energy customers exceed 7 million.

Thermal Transfer sold.

Hadyard Hill wind farm is the first in the UK to exceed 100MW output.

Construction started at Glendoe hydro-electric power station.

Artfield Fell wind farm operational.

50% ownership in Scotia Gas Networks acquired.

Energy customers exceed 6 million.

Spurness wind farm operational.

Sir Robert Smith appointed Chairman.

Fiddler's Ferry and Ferrybridge coal-fired power stations acquired.

Atlantic Electric and gas acquired.

Construction starts at Aldbrough gas storage facility.

Energy customers exceed five million.

Plans for Glendoe, a large-scale hydro-electric power station, announced.

Neos Telecoms acquired.

Tangy, SSE's first wind farm begins operation.

Cambridge Gas and Electric customers acquired.

Ian Marchant appointed Chief Executive. Gregor Alexander appointed Finance Director. Colin Hood appointed Chief Operating Officer.

Cuilleg, SSE's first new hydro power station for 40 years began operation.

Hornsea gas storage facility acquired.

Alistair Phillips-Davies appointed Enery Supply Director

SSE signs its first international energy agreement for the sale of renewable energy in Ireland.

50% investment in Seabank 2 gas-fired power station completed.

Peterhead power station 'repowered'.

Energy customers exceed four million.

SWALEC energy supply business acquired.

Acquired Connect South West contracting business

Scottish Hydro Electric Contracting launched