Lew Moor Farm

Devon Farm self supplies biomass fuel, saves up to 80% on their fuel costs and gains RHI accreditation

Key Facts

Location

Okehampton, Devon

Project included

Guntamatic 50kW Powerchip boiler system including flue and thermal store

Client managed

  • Distribution pipework including internal connections to heat exchangers
  • Building a high specification, custom-built boiler house & fuel store

Fuel consumption

Approximately 12 tonnes of wood chips per annum

Fuel cost saving

Wood chips up to 80% vs heating oil.

CO₂ saving

Approximately 11 tonnes per annum vs heating oil

RHI payments

A project of this size would gain approximately £5,500 every year for 20 years, index linked to inflation

Total project cost

£50,000

ROI

6-7 years. (Combining RHI income & fuel cost saving)

It is important to produce good quality wood chips using well-seasoned wood. Badly knotted sections and small diameter pieces tend to twist in the chipper and produce long shards which can block the auger. Using my own woodland and hedgerows, I can select and season the right feedstock to give me best results

Flint McCullough, Lew Moor Farm

Overview

Lew Moor Farm consists of a redeveloped farmhouse replacing an existing derelict building as part of a self-build project. The house incorporates the latest energy efficiency measures, including underfloor heating.

With a significant area of woodland and hedgerows surrounding the farm, the owner was keen to be self-sufficient in wood fuel. The client has also been developing hedgerows for use as woodfuel and has been laying hedgerows for this specific purpose.

The challenge

The client wanted a system to provide heat generated from a biomass boiler fed by self-supplied fuel. The heat would need to distributed through underground main to new-build energy efficient house and office with underfloor heating.

Our custom solution

A 50kW Guntamatic Powerchip boiler was fitted in a new build boiler room with a circular fuel store supplying heat via underground heat main to new build main house and business office.

The incentive

As well as fuel cost savings of 50%-80%, the installation at Lew Moor Farm is accredited into the Renewable Heat Incentive and the client is now receiving payments. A project of this size would gain approximately £5,500 every year for 20 years, index linked to inflation. The 20 years of RHI payments and the fuel cost savings make the project both sustainable and financially viable.

Project summary

The client was responsible for the construction of the boiler house and fuel store. Treco installed and commissioned the biomass boiler, working with the client’s heating engineer to connect to the
current system.

The project included;

  • Turnkey solution with project management.
  • A top of the range 50kW Guntamatic Powerchip biomass boiler
  • A fully automated fuel delivery system.
  • 4m agitator allowing 30m3 of fuel storage to minimise the number of fills per year.
  • Circular fuel store.
  • A 1,400 litre thermal store.
  • High efficiency, low energy modulating main system pump.
  • 60m of twin underground pre-insulated pipe.
  • 2 x class 2 RHI eligible ultrasonic heat meters complete with certification.
  • Full assistance with RHI application including schematic drawings.
  • Commissioning, programming and end-user training.

Please note: To protect client confidentiality, any figures mentioned are based on the average of several typical projects of this size and all financial information is not specific to this project or case study. Current information on RHI payments is correct at the time of publication and should be used for guidance only, not to be considered a guarantee.

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