Servicio de Información Comunitario sobre Investigación y Desarrollo - CORDIS

FP5

SAPIENT Informe resumido

Project ID: ENG2-CT-1999-00003
Financiado con arreglo a: FP5-EESD
País: Switzerland

Model Work on ERIS including the TFLC

ERIS (Energy Research and Investment Strategy) is a global energy model prototype specified and developed in the context of the predecessor of SAPIENT, TEEM (Joule III project). The original purpose of ERIS was to capture the main mechanisms regarding the endogenous analysis of technological learning under uncertainty and to allow for a consistent cost-benefit analysis of specific policies aiming at technology prioritisation.

The original prototype specified by IIASA and coded by NTUA considered a non-linear programming (NLP) and a Mixed Complementarity (MC) formulation of experience curves and it has been restricted to three technologies and one region.. ERIS was extended by PSI to include multi-regions, different technologies, more general constraints, a stochastic approach and a Mixed Integer Programming (MIP) formulation of learning curves.

PSI developed a new improved version of ERIS (Energy Research and Investment Strategy) prototype model, with the two-factor learning curve formula (¿2FLC¿) that includes learning by doing and learning by searching. The model was applied to study the global power generation system.

In the endogenous specification of R&D expenditures a global R&D budget is provided and the model finds its optimal allocation among the different learning technologies taking into account a number of intervening factors. In addition, in order to reflect the fact that time lags and depreciation occur in the R&D process, a knowledge stock function was introduced in place of cumulative R&D expenditures.

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Reported by

Paul Scherrer Institut, Department of General Energy Research (PSI.CH), Switzerland
Wurenlingen and Villigen, CH-5232
5232 Villigen
Switzerland
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