Piston power |
MAN Energy Solutions adds 445 MW to Bangladeshi installed capacity
MAN Energy Solutions is providing piston engines for a new power plant in Sreepur, Bangladesh, and has also successfully commissioned three other power plants in the cities of Chandpur, Thakurgaon and Narayanganj. Combined, the four power plants have an installed capacity of 445 MW.
Nine MAN 18V48/60TS engines, with a total capacity of 150 MW, will be installed at Sreepur, north of the capital, Dhaka. Scheduled for completion in late 2023, the plant will be operated by independent power producer, B-R Powergen Limited (BRPL).
“Energy demand in Bangladesh is increasing by over 10% each year and we are pleased to
once again contribute to the country’s reliable energy supply with the Sreepur project,” said Ghassan Saab, head of region, Middle-East Africa, power plant sales, MAN Energy Solutions. “When all ongoing projects are completed, MAN will provide more than 1.5 GW of capacity across the country, representing around 10% of installed capacity.”
The Chandpur plant, total capacity 125 MW, employs a combination of 4 × MAN 18V51/60TS and 2 × MAN 20V45/60 engines. Owner/operator is Chandpur Power Generation, a subsidiary of Doreen Power.
The MAN 20V45/60 is, according to MAN ES, “the most powerful four-stroke engine in the
world.” With an output of around 26 MW per engine, the 20V45/60 also achieves “outstanding efficiency rates with a fuel utilisation of over 50%”, according to MAN ES. Furthermore, the company says, the 18V51/60TS engines, with two-stage turbocharging, are “being used in a power plant for the first time.” With two-stage turbocharging there is a low and high pressure compressor, operating in series, optimising power density and efficiency.
“In Chandpur, the plant operators have chosen a particularly innovative engine setup”, said Saab. “The combination of our powerful 20V45/60 engines and the 18V51/60TS units with two-stage turbocharging guarantees maximum fuel efficiency and also enables a more compact plant design through higher power density.” The Thakurgaon plant, in the northwest of the country, was also recently handed over to the owner/operator, Energypac Power Generation Ltd. The facility employs 6 × MAN 18V48/60TS engines with a total installed capacity of around 125 MW.
During construction, the difficult-to-access location, on the border with India, presented tough, logistical demands as the region can only be reached overland. Since local road conditions did not allow the engines – each weighing 320 tonnes – to be transported by truck, they had to be dismantled and delivered to the Thakurgaon plant for on-site assembly.
Above: Thakurgaon power plant, Bangladesh
The Narayanganj plant, operated by KPPGL (Kanchan Purbachal Power Generation Ltd), is located 50 km east of Dhaka. It uses 3 × MAN 18V48/60TS engines with a total output of 58 MW, providing power to the Rupganj region.
The gold standard for mine power performance
Wärtsilä has signed a 5-year performance-based agreement for a 20 MW power plant combined with a 40 MW plant extension installation at a gold mine in Africa.
By guaranteeing the availability of power, Wärtsilä says it delivers crucial support to the mine’s operations. Matching power availability with operational demand is required, monitored and incentivised on a daily basis. “This is an isolated mine with no grid connection, so a reliable source of electricity from the captive Wärtsilä power plant is essential for maintaining the mine’s productivity and operating-revenue-earning capability”, commented Marc Thiriet, energy business director, Africa West, Wärtsilä.
“After analysing the customer’s needs and how we could meet them, we developed the performance guarantee as an assurance of plant availability, while minimising fuel
consumption and running hours as important cost-saving benefits. We see performance-based agreements becoming widely utilised as an effective solution.”
The power plant in question has four Wärtsilä 32 engines, which commenced operation in 2016. The extension with a further four Wärtsilä 32 engines was subsequently added, and commissioned in 2021. Wärtsilä has had an O&M agreement for the plant since 2017, which has now evolved into becoming this performance-based agreement. Long-term service agreements are an important element within Wärtsilä’s lifecycle services, providing “value-adding customer support.” Performance-based service agreements include quantifiable targets, which are mutually agreed based on the customer’s business needs. The measurable indicators can include, for example, power availability, reliability,
16 | June 2022|
www.modernpowersystems.com
fuel consumption, and emissions. Wärtsilä shares the risks and rewards with the customer. Globally, Wärtsilä currently has 14 GW of power plant capacity covered by long-term service agreements, of which 2 GW is in Africa. Another recent gold mining development announced by Wärtsilä was the winning of an order to supply a 22 MW natural gas fuelled power plant to mining company Argonaut Gold Inc for its Magino gold mine in Ontario, Canada. According to Wärtsilä, the order emphasises once again “its growing presence in the Canadian energy market, as well as its strong position in serving the power needs for the mining industry globally.”
The power plant will consist of four Wärtsilä 34SG gas engines.
Wärtsilä said it received four power plant orders in Canada in 2021, and three of those were from mining companies.
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