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Techno-Economic Evaluation of a Tri-Generation Energy Supply System for a Non-Interconnected Island Using Single-Shaft Gas-Turbine

[+] Author Affiliations
A. L. Polyzakis

Technological Educational Institute of Western Macedonia, Kozani, Greece

A. K. Malkogianni

University of Western Macedonia, Kozani, Greece

Paper No. GT2010-23647, pp. 195-203; 9 pages
  • ASME Turbo Expo 2010: Power for Land, Sea, and Air
  • Volume 5: Industrial and Cogeneration; Microturbines and Small Turbomachinery; Oil and Gas Applications; Wind Turbine Technology
  • Glasgow, UK, June 14–18, 2010
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4400-7 | eISBN: 978-0-7918-3872-3
  • Copyright © 2010 by ASME


In this paper, is presented a realistic simulation of the techno-economic performance of a tri-generation power plant, helping the potential investor to evaluate the profits of his future investment. The paper includes an overall techno-economic analysis including the following steps: Firstly, the research concerns the energy demands of an energy autonomous island. The second part, deals with the prime mover (namely the Gas Turbine, GT) modeling and simulation. The technical part of the assessment includes the Design Point (DP) and Off-Design (OD) analysis of the GT. The third part includes the simulation of the absorption cooling system alone and/or in cooperation with the prime mover. Finally, an evaluation methodology of tri-generation plants is introduced taking into account, both technical facts and economic data helping the potential users to decide whether it is profitable to use such technology or not. The economic scene will include the basic economic facts such as initial cost, handling and operational cost (fuel prices, maintenance etc), using methodology based on Net Present Value (NPV). The results are valuated using suitable sensitivity analysis. The results of the analysis generally shown, that the tri-generation plant is more profitable than the conventional way of energy supply.

Copyright © 2010 by ASME
Topics: Gas turbines



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