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WELtec BioPower (UK) Ltd - Anaerobic Digesters

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What you need to know

Proximity to the Gas Grid
To avoid wayleaves it is preferable to have access to the grid over the land that is connected to the Anaerobic Digester project. Obviously the closer the project is the cheaper it will be to connect. There are different mains pressures and some are less expensive than others to access. The contact form for Weltec has a box to enter the postcode of the considered development and Weltec can identify the characteristics of the closest gas main to the project

Waste and crop substrates required
The full incentive is available to those that produce half the gas or more from wastes. See matrix below. For a viable project, using maize silage as a purpose grown crop and factory food waste with a good gas yield, a minimum of 17,000 tonnes/annum will be required. This will provide fertilizer for approximately 1000 acres of grass/crops.

Percent gas derived from Waste 50-100% 40% 30% 20% 10% 0%
Percent gas derived from crops 0-50% 60% 70% 80% 90% 100%
Total 100% 100% 100% 100% 0% 100%
Gas not counted for RHI 0% 10% 20% 30% 40% 50%
Percentage of gas to Qulaify for RHI 100% 90% 80% 70% 60% 50%

Business and Budgets
Lock into the New Incentives with Pre-Accreditation
Weltec have developers that will work with projects of this size when farmers may lack the resources. The businesses are built around Special Purpose Vehicles (companies set up for the purpose of administering the business). The farmer may receive rent for the site, a fee for managing the plant and payment for any purpose grown crops. There are a number of different arrangements that can be implemented to suit all parties.
The project loosely described above would have an output, net of parasitic use, of about 900,000 to cover substrate cost, management fees and funding. This assumes the project qualifies for 100% of the RHI emtitlement. The capital cost of a project of this size is likely to be from 4m.
There is a significant increase in the complexity if the anaerobic digester plant is handling municipal or wrapped food waste; it becomes a waste business and requires the necessary administration and infrastructure.

To learn more and contact Weltec
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www.weltec-biopower.co.uk