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Legal & Regulatory
Generators Grapple with ELG Implementation
Plant wastewater treatment is not what it once was, and changes in the Environmental Protection Agency’s effluent limitations guidelines (ELG) have added a host of new wrinkles. A panel of power plant experts discussed what plant managers are planning and doing to keep things running smoothly within the new rules. For more than three decades, […]
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Coal
Understanding and Mitigating Metallurgical Effects of Coal Blending and Switching
Fuel blending and switching has become the norm in response to regulatory and market forces, but many older boilers were designed for a particular fuel. Understanding the effects of different fuels on
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Legal & Regulatory
TVA Submits Pioneering Application for SMR Early Site Permit
The first-ever early site permit (ESP) application for a small modular reactor (SMR) was submitted to the U.S. Nuclear Regulatory Commission (NRC) this May, marking a resurgence for the fledgling nuclear energy technology that has seen a number of setbacks in recent years. The Tennessee Valley Authority (TVA) submitted an ESP application for a potential […]
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Coal
Evaluating the Use of CEMS for Accurate Heat Rate Monitoring and Reporting
Power plants are familiar with using continuous emissions monitoring systems (CEMS) to monitor pollutants, but these devices also may be able to measure heat rate—which could be handy for future compliance with the Clean Power Plan. Continuous emissions monitoring systems (CEMS) are used to monitor power plant flue gas emissions as a means to comply […]
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Coal
POWER Digest
Fuel Loading Begins at Kudankulam 2. Nuclear Power Corp. of India (NPCIL) began loading the first of 163 fuel assemblies into the core of the second VVER-1000 reactor of the Kudankulam nuclear power plant in Tamil Nadu, India, on May 11. The 1,000-MW unit will begin generating power pending approval from the Atomic Energy Regulatory […]
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Renewables
Rwanda’s Power Production Triumph over a “Killer Lake”
Lake Kivu, the 1,040-square-mile “killer lake” that stretches over the border between Rwanda and the Democratic Republic of Congo (DRC), has long been a source of trepidation. Because it sits between two
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Renewables
One of the World’s Biggest Biomass-Fired CHP Plants Is Inaugurated
Fortum Värme, a company jointly owned by Finnish energy firm Fortum and the city of Stockholm on May 9 inaugurated a new biomass-fired combined heat and power (CHP) plant on the shores of Värtan, a strait in Sweden’s capital city. The Värtan CHP8 (130 MWe, 280 MWth), which began construction in 2013, will begin commercial […]
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Coal
Employing Fuel Cells for Carbon Capture
Fuel cells are a rapidly expanding option for distributed generation, with fuel cell–based power plants now being deployed in capacities into tens of megawatts (see “59-MW Fuel Cell Park Opening Heralds
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Nuclear
China’s CAP1400 Clears IAEA Safety Assessment
China’s CAP1400—a reactor design based on Westinghouse’s AP1000 pressurized water reactor—has successfully passed the International Atomic Energy Agency’s (IAEA’s) Generic Reactor Safety Review. The milestone is significant for China, which plans to deploy the advanced reactor design in large numbers (Figure 4) as well as export the technology. 4. On the nuclear horizon. An artist’s […]
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O&M
Boiler Tube Failure Thermohydraulic Analysis
Eskom operates 23 power stations in South Africa with a total capacity of more than 42 GW. It supplies about 95% of all the electricity used in the country. One of its coal-fired power stations was experiencing frequent boiler tube fatigue failures in the hopper section—the bottom part of the boiler—of all six units. The […]
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