Alternative energy options
By Patrick McKernan / Published on Tue, 2008-01-22 16:29I have a client, a stone quarry owner, using stone crushing equipment and asphalt heating equipment. Electricity usage is 1 MW per day. Heat is also required for heating stone and asphalt. My question is.. What options are there for this company to obtain electrical energy from other sources? Wind power has been suggested but it is variable! CHP source is another option maybe using biomass or tyres (with clean technologies). Can you advise please on the options and economics within N. Ireland?
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It is very hard to give a
By Walter Hulshorst / Published on Tue, 2008-01-22 15:34It is very hard to give a detailed answer for your client based on your question, but I can give you some general information. For some more information about the possibilities to generate electricity I would recommend the application note with an introduction to renewables (download).
You are right that wind energy is variable. To use wind energy you will need a back up system in case there is no wind or to much wind. In both situations the windturbine will not produce electricity. In the application note on windenergy you can see a windmap for Western Europe (download).
You’ll see that North Ireland is a windy place compared with other European countries, so perhaps it could be an option for you if you have a back up system in case the windturbine does not produce electricity. Back up can be a grid connection or perhaps another source that generate electricity.
CHP does not only provide you electricity but also heat. Since you need heat for the production process this could be a good solution for your situation (high efficiency). An introduction to cogeneration is provided in the application note on cogeneration (download).
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