HOUSTON, Oct. 1, 2015 /PRNewswire/ -- POWER magazine today officially announced winners of its 2015 Top Plants in the coal-fired generation category. This year's winners are sited in very different locations, climates, and political and economic environments around the world. They deploy diverse state-of-the-art technologies to address both unique and global challenges.
Columbia Energy Center, Portage, Wisconsin
An array of recent environmental regulations have led U.S. generators with coal-fired plants to make tough decisions about retiring units or investing heavily in upgraded emissions controls. This upgrade project is an example of how to handle a massive project safely while beating schedules and staying under budget.
Manjung Unit 4, Perak, Malaysia
Malaysia's first ultrasupercritical coal power plant required creative design and engineering so it could burn a wide range of fuels—a necessity because the country imports coal while exporting natural gas. Despite some efficiency tradeoffs required for that flexibility, it is the most efficient coal-burning plant in Southeast Asia.
Ottumwa Generating Station, Ottumwa, Iowa
Although upgrading the air quality control system was the initial focus of this project, the owners took the opportunity to optimize other systems at the same time. The result is a plant that not only meets regulatory requirements but also provides increased capacity and efficiency.
Ramagundam Super Thermal Power Station, Karimnagar, Telangana, India
For nearly four decades, this plant has been an essential power provider as it added capacity over the years. Even as the plant ages, it has been setting new performance records thanks to environmental and other upgrades.
Shanghai Waigaoqiao No. 3, Shanghai, China
While China continues to add power generation capacity, it's also more focused than ever on reducing emissions from coal power plants in order to improve air quality and lower carbon emissions. The two units at this plant are the most efficient en China's coal fleet, and not just because they use ultrasupercritical technology.
Spiritwood Station, Spiritwood, North Dakota
Especially in light of the final Clean Power Plan's focus on efficiency, combined heat and power may be worth a second look for some coal-fired power plants. This cog en plant was designed from the start to maximize energy use while minimizing emissions.
For more details about these projects, click the links above or see the October issue of POWER at www.powermag.com.
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