Star Energy

Star Energy is a United Kingdom energy company associated with onshore oil and gas production, gas storage and geothermal development. The business was established in October 1999 through a management buyout of oil and gas operations in the Weald Basin that had previously been owned by Soco International. European Acquisition Capital provided financing for the transaction. From its original base in southern England, Star Energy expanded into the East Midlands Oil Province, building a portfolio of conventional oil and gas fields through acquisitions and field development. The company’s first major expansion came in June 2000, when it acquired assets from Roc Oil in the East Midlands. In May 2004, Star Energy became a public company and joined the Alternative Investment Market of the London Stock Exchange. Its acquisition of Pentex Oil in August 2005 significantly increased its East Midlands portfolio, including fields around Welton and Reepham in Lincolnshire. The company also developed infrastructure beyond conventional production. In November 2005 it opened its first gas-storage facility at the depleted Humbly Grove oil field near Lasham in Hampshire, establishing a role in seasonal gas storage as well as exploration and production. Star Energy was taken private in March 2008 when it delisted from AIM and became a subsidiary of Petronas. In December 2011, nearly all of its assets, apart from the Humbly Grove gas-storage operation, were acquired by IGas Energy. IGas was a United Kingdom oil and gas exploration and production company whose portfolio included conventional fields, coalbed methane interests and shale-gas exploration licences. After the acquisition, IGas adopted the Star Energy name for the group and broadened the brand’s association beyond conventional hydrocarbons. The Star Energy business and its successor operations have been organized through several operating companies, including Star Energy Weald Basin, Star Energy (East Midlands) and Star Energy Oil and Gas. These entities have covered assets in southern England, Lincolnshire and the wider East Midlands, including producing fields and gathering infrastructure. The company’s historical portfolio included fields such as Welton, Stainton, Nettleham, Cold Hanworth, Scampton, Beckingham, Egmanton, Corringham, Glentworth, Rempstone, Long Clawson, Bothamsall and South Leverton. During the 2010s, the wider IGas and Star Energy organization also pursued unconventional-gas opportunities. Exploration activity at Barton Moss in Greater Manchester in 2013 and 2014, focused on coalbed methane, attracted sustained protests and criticism concerning policing and the environmental implications of onshore gas exploration. The business also investigated shale-gas prospects in areas including the Gainsborough Trough and the Bowland Basin, although the regulatory permissions described in contemporary reporting did not authorize hydraulic fracturing at the proposed test wells. In its later form, Star Energy has increasingly emphasized geothermal energy alongside its legacy oil and gas activities. This reflects the reuse of subsurface engineering, drilling and reservoir-management capabilities developed through onshore hydrocarbon operations. The company should be distinguished from Star Energy Geothermal in Indonesia, which is a separate business associated with Barito Renewables Energy. Star Energy’s United Kingdom identity therefore spans conventional energy production, gas storage, subsurface exploration and geothermal development rather than referring to the Indonesian geothermal operator.

Star Energy originated in the United Kingdom's onshore oil and gas industry. In October 1999, a management buyout acquired operations in the Weald Basin from Soco International. European Acquisition Capital financed the transaction, creating a new independent operator with a southern England production base. The company expanded less than a year later by purchasing Roc Oil assets in the East Midlands Oil Province in June 2000. The East Midlands became a central part of Star Energy's operating footprint. The company completed an initial public offering or equivalent market admission in May 2004, joining London's Alternative Investment Market. In August 2005, it acquired Pentex Oil, materially increasing its interests in the East Midlands. The resulting portfolio included fields around Welton and Reepham in Lincolnshire and a number of other producing or operated sites across the region. Star Energy also pursued infrastructure businesses related to its subsurface assets. In November 2005, it opened a gas-storage facility at Humbly Grove, a depleted oil field near Lasham in Hampshire. The project allowed the company to use an existing hydrocarbon reservoir for gas storage and gave Star Energy exposure to a part of the energy system beyond direct oil and gas production. The company left public markets on 7 March 2008 and became a subsidiary of Petronas. In December 2011, IGas Energy acquired all Star Energy assets except Humbly Grove. IGas had been incorporated in 2003 with an initial focus on natural gas and coalbed methane and had subsequently developed a broader United Kingdom exploration and production portfolio. Following the transaction, IGas adopted the Star Energy name at group level, linking the established brand to a wider portfolio of conventional production, coalbed methane, shale-gas exploration and later geothermal activity. The successor organization operated through multiple subsidiaries. Star Energy Weald Basin covered southern England operations, Star Energy (East Midlands) operated fields around Welton and other Lincolnshire and East Midlands locations, and Star Energy Oil and Gas operated a further group of fields near Gainsborough. The listed operating history of these businesses included conventional oil and gas production as well as exploration and appraisal work. The company became involved in the United Kingdom's debate over unconventional gas. In 2013 and 2014, exploration for coalbed methane at Barton Moss between Irlam and Peel Green in Salford generated direct action and repeated protests. The demonstrations also produced criticism of Greater Manchester Police. Separately, the wider IGas portfolio included shale-gas interests in the Gainsborough Trough and proposed test drilling in the Bowland Basin. Contemporary descriptions indicated that permits for the proposed test wells did not include permission to hydraulically fracture them. Over time, Star Energy broadened its strategic profile toward geothermal energy. Geothermal projects use drilling, subsurface evaluation and reservoir expertise related to the company's historical oil and gas capabilities. This transition positioned the brand within a broader low-carbon and energy-transition context while retaining its identity as a United Kingdom subsurface-energy operator. The Barton Moss site was decommissioned in 2025. Star Energy in the United Kingdom is distinct from Star Energy Geothermal in Indonesia, which belongs to Barito Renewables Energy.

• 2025

  Barton Moss decommissioning

  [1]Star Energyen.wikipedia.org

  The Barton Moss exploration site was decommissioned.

• 2011

  IGas acquisition and rebranding

  [1]Star Energyen.wikipedia.org

  IGas acquired nearly all Star Energy assets and later used the Star Energy name for the group.

• 2008

  Delisting and Petronas ownership

  [1]Star Energyen.wikipedia.org

  Star Energy delisted from AIM and became a Petronas subsidiary.

• 2005

  Pentex Oil acquisition

  [1]Star Energyen.wikipedia.org

  The Pentex Oil acquisition substantially enlarged Star Energy's East Midlands portfolio.

• 2005

  Humbly Grove gas storage begins operation

  [1]Star Energyen.wikipedia.org

  Star Energy opened its first gas-storage facility at the depleted Humbly Grove field in Hampshire.

• 2004

  AIM admission

  [1]Star Energyen.wikipedia.org

  The company became publicly traded on London's Alternative Investment Market.

• 2000

  Expansion into the East Midlands

  [1]Star Energyen.wikipedia.org

  Star Energy acquired Roc Oil's assets in the East Midlands Oil Province.

• 1999

  Management buyout creates Star Energy

  [1]Star Energyen.wikipedia.org

  Operations in the Weald Basin were acquired from Soco International in a management buyout financed by European Acquisition Capital.

A United Kingdom subsurface-energy operator whose heritage is in onshore oil and gas and gas storage, with later strategic expansion into geothermal energy.

• Oil production · 1999

  Onshore oil production

  Onshore oil production is Star Energy's historical core activity. The company developed and operated conventional fields in the Weald Basin and the East Midlands Oil Province. Its field portfolio included Welton, Stainton, Nettleham, Cold Hanworth, Scampton, Beckingham, Egmanton, Corringham, Glentworth, Rempstone, Long Clawson, Bothamsall and South Leverton. These operations relied on drilling, gathering, field management and reservoir engineering rather than offshore production.

• Gas production · 1999

  Natural gas production

  Star Energy and its successor operations have produced natural gas from United Kingdom onshore reservoirs. Gas activities formed part of the broader portfolio inherited and expanded by IGas, alongside conventional oil, coalbed methane and exploration licences. The business has operated through regional subsidiaries and gathering infrastructure connected with its producing fields.

• Energy storage · 2005

  Humbly Grove gas storage

  Humbly Grove is a gas-storage facility developed at a depleted oil field near Lasham in Hampshire. It was Star Energy's first gas-storage facility and demonstrated the company's use of subsurface reservoirs for energy infrastructure beyond direct hydrocarbon production. Humbly Grove was excluded from the assets acquired by IGas in December 2011, according to the cited historical account.

• Unconventional gas exploration · 2010

  Coalbed methane exploration

  The wider IGas and Star Energy organization explored coalbed methane opportunities in the United Kingdom. Barton Moss in Greater Manchester was one of the most publicly visible sites, with exploration activity in 2013 and 2014. The work attracted sustained protests and became part of the national controversy over onshore unconventional gas development.

• Geothermal energy

  Geothermal energy

  Geothermal development represents Star Energy's strategic expansion beyond conventional oil and gas. The business applies drilling, subsurface evaluation and reservoir-management capabilities to heat and energy projects. This activity gives the brand a role in the United Kingdom's energy-transition landscape while retaining technical links to its hydrocarbon heritage.

• 2013

  Barton Moss exploration protests

  Coalbed-methane exploration at Barton Moss in Salford led to direct-action protests and criticism of Greater Manchester Police's handling of demonstrations. The episode reflected wider public opposition to unconventional gas exploration in the United Kingdom.

  Source

Read more

• 2013

  Pursuit of unconventional-gas explorationStrategy

  Background

  The United Kingdom's onshore energy sector was assessing coalbed methane and shale-gas resources.

  Action taken

  The wider Star Energy and IGas organization explored coalbed methane at Barton Moss and maintained shale-gas interests in the Gainsborough Trough and Bowland Basin.

  Aftermath

  Barton Moss became a focus of protest and public controversy; the cited account states that proposed Bowland Basin test wells did not have permission for hydraulic fracturing.

  Source

• 2011

  IGas acquisition of Star Energy assetsM&A

  Background

  IGas sought to expand its United Kingdom oil and gas portfolio through acquisitions.

  Action taken

  IGas acquired Star Energy's assets other than Humbly Grove in December 2011 and later rebranded the group using the Star Energy name.

  Aftermath

  The Star Energy identity became associated with a broader portfolio including conventional production, unconventional-gas exploration and geothermal development.

  Source

• 2008

  Delisting and transition to private ownershipStrategy

  Background

  Star Energy had been listed on AIM since 2004 but changed its ownership structure in 2008.

  Action taken

  The company delisted from AIM on 7 March 2008 and became a subsidiary of Petronas.

  Aftermath

  Star Energy subsequently returned to the corporate history of public-market operator IGas through the 2011 asset acquisition.

  Source

1. 1Star Energyen.wikipedia.org