GE Power and Ghanaian Independent Power Producer Marinus Energy have announced a pilot project to capture Isopentane gas and use it as a fuel source for generating electricity. The Atuabo Waste to Power Independent Power Project will be the first TM2500 power plant in sub-Saharan Africa to use Isopentane gas as a fuel source and will run on GE’s latest TM2500 gas turbines.

In the first phase, Atuabo will convert the Isopentane fuel into up to 25 MW of power, generating enough electricity to supply power for more than 100 000 Ghanaian households. As additional gas is brought onshore, the plant is expected to add on additional gas generating units up to a capacity of 100 MW. Additional Isopentane fuel will eventually be stripped off an offshore gas supply and processed at Atuabo by the Ghana National Gas Company. The gas turbine will start on lean gas and transfer to the Isopentane mix over time, and the power plant is intended to operate at base load throughout its life.

tm2500 hero

With more than 200 TM2500 units deployed and over 5 million operating hours of experience, this technology has proven flexibility can help bridge the power gap for short- and long-term energy planning, stabilise the grid, or reach and power remote locations, according to Leslie Nelson, CEO of GE’s Gas Power Systems in sub-Saharan Africa. “The TM2500 unit will provide unrivalled speed to deployment and flexibility to support the immediate needs of our customer - Marinus Energy, and then seamlessly transition to deliver capacity over the long term as they expand their operations,” he adds.

The TM2500 mobile power plant consists of a trailer-mounted gas turbine generator, with the balance of plant containerised. It can be relocated to other power plants during operation, maintenance outages, or to remote areas. The TM2500 can also achieve full power within approximately 10 minutes, making it ideal for providing a base-load bridge to permanent power installations or generating backup power for factories and industries.

Ghana has an existing fleet of ten TM2500 units, deployed in 2016. “Not only is the Atuabo waste to power plant enabling our company to lead in innovative energy solutions in Ghana, but by using a fuel source which would otherwise have been flared as waste, we are further reducing emissions and costs. This is good for our business, the climate, and eliminates the potential environmental hazards facing the local community. GE is offering an innovative solution which gives us the confidence to move from pilot to commercial operations,” says said Fred Asamany, Strategic Advisor at Marinus Energy.

GE is also participating in a number of other energy projects in Ghana, including a 400MW bridge power project, which will be the first LPG fired power plant in Africa and the largest LPG fired power plant in the world. The 200MW Amandi power plant will be one of the most efficient power plants in the country and will generate the equivalent power needed to supply more than one million Ghanaian homes. In addition, GE is setting up an M&D (Monitoring and Diagnostics) centre in Ivory Coast which will provide the digital data and analytics service to improve the performance of GE equipment in the region.


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