ISHS Acta Horticulturae 135: VII Symposium on Horticultural Economics, XXI IHC
A SIMULATION MODEL OF HEATING COSTS FOR DECISION-MAKING IN INVESTMENT AND ECONOMIC USE OF ENERGY |
| Author: | A. Boese |
| Abstract:
A computer model of heating energy costs and profitability of investments is presented. The model is divided into two parts. At first a submodel is used to compute energy consumption depending on the climate, indoor temperature, type of greenhouse and technical energy saving measures in the greenhouse. Second, another submodel is taken to calculate annual heating costs and the profitability of investment. The specific situation and conditions of the firm are taken into account. To select an economical alternative, different measures have to be compared. However, the influence of uncertain input data must be considered, in order to identify critical values representing a threshold of profitable alternatives. At this state of development, uncertain future energy prices are regarded as stochastic variables in the model. The farm manager can get information about profitability and risk of investment-projects using the model. | |
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