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Use this Biogas Yield Calculator for Assessing Your Potential On-Farm Biogas Digester Yield
Are you wondering whether your farm would be a suitable location for an On-Farm Anaerobic Digestion Plant, based on the use of the farm’s own manure as the feedstock?
This simple online calculator will give you a very approximate assessment of the likely biogas yield in cubic metres per year.
If you then alsoadd your estimated payment for the exported electricity in pence/kilowatt hour which will be:
at least 6p/kWh from the Feed in Tarrif payment
until the Energy Bill is implemented in the UK later in 2009, will possibly also include a ROCS paymentof 4 p/kWh* (subject to acceptance of the digester) into the the scheme)
your annual income from biogas will be shown.
This income is not profit and it would need to be used to pay the AD Plant’s construction costs and its operation and maintenance costs. However, the idea is to make the point that there is real income from producing power from biogas.
Please Note! This calculator is an early Beta version which we are testing - all those that use this calculator and the spreadsheet download on this page - during testing and until further notice - must treat it as provided for test and development purposes only, until the output it gives has been tested fully.
* - this amount will rise after Energy Bill implementation later in 2009.
Free Biogas Calculator: Downloadable Spreadsheet Version
Sponsors Wanted!
We would like to improve and extend the use of this calculator.
But to do that we need construction and operating cost data which only an experienced AD plant technology company can provide.
This is an amazing opportunity for biogas companies to contribute to a really useful service, and a great advertising opportunity for the sponsor to be seen on this web site, which currently receives 1,000 to 2,000 uniquely targeted biogas enquiring visitors daily - and rising.
We seek industry sponsors for additional versions of the calculator which will we hope will include MSW digesters, mixed feedstock Community Digesters, biomass digesters, Tarp covered lagoon digesters etc.
Please use the feedback form to contact us if you are interested in discussing sponsorship.
You can also use our spreadsheet version of the calculator above, for a more detailed assessment of your farm biogas project’s economic feasibility, and you will see the various assumptions made at each of the stages used in the assessment.
Download the above calculator as a spreadsheet .odt file suitable for use in the Open Office (www.openoffice.org) spreadsheet application.
The calculator higher on this page is based upon, the same method of calculation, but the spreadsheet version can be used to create a more sophisticated assessment.
Number of downloads of the biogas calculation sheet since 2 April =
Please Note! This spreadsheet is still in development and is also a Draft version. It may contain multiple errors.
We recommend that you also download the Defra (United Kingdom) Report here in which the many assumptions which have been used are documented (see Appendix 4),and which have been made about the efficiency of the plant. Other variables exist in the calorific value of the manure used etc. All the many factors used in combination have resulted in the conversion factors we have used in the simple biogas calculator above.
