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Cross-cutting Technologies and Carbon Capture/Storage 1. The Technologies Cross-Cutting Technologies Ongoing Efficiency Improvements in Electricity Production

By Ainsley Jolley

Abstract

Increasing efficiency in the use of energy in electricity production, associated in large part with improvements in gas technologies (particularly combined-cycle gas turbines, where efficiencies could rise from the current state-of-the art 55 % to 62 % over the coming decades), and anticipated improvements in the efficiency of coal-fired power plants, up from the present 34 % to more than 50 % in the medium-to-long term (IPCC 1996)), the increasing importance of CHP technologies, and improved process control through the use of advanced sensors and electronics in energy production, will be an important energy-saver, along with further improvements in the efficiency of electricity transmission (innovation in power electronics) leading to fewer energy losses. Combined Heat and Power Combined heat and power (CHP) is one of the most promising technologies for the near-term reduction of greenhouse gas emissions. It involves the joint production of heat (steam) and electricity. Both the heat and the electricity can be used on site, or surplus electricity can be sold back to the grid and surplus heat can be used in distric

Year: 2006
OAI identifier: oai:CiteSeerX.psu:10.1.1.372.6685
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