Saint-Aubin power station

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Saint-Aubin power station is an operating power station of at least 35-megawatts (MW) in Riviere-des-Anguilles, Savanne, Mauritius. It is also known as Union St Aubin Steam Cogen Plant, CTDS power station, Highlands Estate Steam Cogen Plant.

Location

Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Saint-Aubin power station Riviere-des-Anguilles, Savanne, Mauritius -20.507973, 57.542331 (exact)[1]
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Unit-level coordinates (WGS 84):

  • ': -20.507973, 57.542331

Project Details

Table 2: Unit-level details

Status Fuel(s) Capacity (MW) Technology Start year Emergency/Backup
Operating coal: unknown, bioenergy: agricultural waste (solids)[2] 35 subcritical 2005[3] False

Table 3: Unit-level ownership and operator details

Owner Parent
Omnicane Thermal Energy Operations Saint-Aubin Ltd [100%][4] Omnicane Ltd [60.0%]; KKR & Co. Inc [23.6%]; small shareholder(s) [11.4%]; Sugar Investment Trust [2.6%]; MCB Equity Fund Ltd [1.0%]

Project-level coal details

  • Coal source(s): imported

Background

The Saint-Aubin power station, formerly known as the CTDS (Compagnie Thermique du Sud) power station, is a 35 MW coal and bagasse plant thought to have cost around US$50 million.[5] In May 2003, the Central Electricity Board (CEB) chose CTDS as the power supplier for power purchase agreement (PPA) negotiations and a PPA was signed in October 2005. CTDS was a consortium of Cie Energie Sud Ltée (65%), Séchilienne-SIDEC (25%), and the Sugar Investment Trust (15%). Mauritius Commercial Bank Ltd, Barclays Bank and Freehills were the lenders. The plant is now jointly owned by Omnicane Thermal Energy Operations (OTEO) Saint-Aubin, Albioma, and the Sugar Investment Trust, an investment cooperative managed by Mauritian sugar industry workers.[5][6]

In 2020, CEB's contract with Saint-Aubin was expected to expire in 2025.[7] Omnicane's 2020 Integrated Report confirmed that the PPA ends in 2025.[8]

As of November 2022, Omnicane was reportedly "exploring avenues" to transition its coal assets towards a fuller biomass conversion.[9]

In their 2022 annual report, Omnicane stated that their main objectives for the coming years included renewing the PPAs for their Saint-Aubin and Savannah power stations and replacing coal with biomass as an energy source.[10]

In April 2024, Omnicane's CEO confirmed that converting the Saint-Aubin coal plant and Savannah power station to biomass remained a company "priority."[11]

In Omnicane’s 2024 yearly financial statement, the company said that discussions around extending Saint-Aubin’s PPA were expected to conclude in the first half of 2025.[12] By Omnicane's 2025 mid-year financial statement, it was reported that negotiations for the extension of the Saint-Aubin PPA with the Central Electricity Board (CEB) were well advanced, and that a formal agreement was expected to be finalized in the coming months.[13]

Articles and Resources

References

  1. ↑ https://maps.app.goo.gl/QjgyJWQQk7c1yCgo9. {{cite web}}: Missing or empty |title= (help)
  2. ↑ https://www.gem.wiki/Coal_source_methodology_for_the_Global_Coal_Plant_Tracker. {{cite web}}: Missing or empty |title= (help)
  3. ↑ "Saint-Aubin power plant". Albioma. Archived from the original on 2024-01-25. Retrieved 2023-11-06.
  4. ↑ (PDF) https://www.careratingsafrica.com/upload/CompanyFiles/PR/202502050233_Omnicane_Thermal_Energy_Operations_(St_Aubin)_Limited_-_Press_Release.pdf. {{cite web}}: Missing or empty |title= (help)
  5. ↑ 5.0 5.1 "CTDS Biomass Plant / Coal CHP Plant, Mauritius," Power Technology, last accessed June 1, 2021
  6. ↑ "Saint-Aubin power plant," Albioma, last accessed June 1, 2021
  7. ↑ "Production de l’électricité : la fiabilité du charbon remise en question," Defi Media, January 21, 2020
  8. ↑ "2020 Integrated Report," Omnicane, 2020
  9. ↑ "Sugar – Energy: Omnicane returns to the profitability zone," Mauritius News, November 25, 2022
  10. ↑ "Integrated Annual Report 2022," Omnicane, 2022
  11. ↑ "Jacques d’Unienville: La décision de passer du charbon à la biomasse vise «à répondre aux objectifs nationaux»," lexpress.mu, April 29, 2024
  12. ↑ “Condensed Audited Financial Statements for the year ended 31 December 2024,” Omincane, March 2025
  13. ↑ "Condensed Unaudited Financial Statements," Omnicane, June 2025

Additional data

To access additional data, including an interactive map of coal-fired power stations, a downloadable dataset, and summary data, please visit the Global Coal Plant Tracker on the Global Energy Monitor website.