Anaerobic Digestion

JHW are independent Anaerobic Digestion and Biogas specialists. Our Energy and Planning team are delivering a range of AD projects for clients from 100kw to several Megawatts. Unlike other renewable technology, AD provides the opportunity for 24/7 energy security.

As with other renewable projects, anaerobic digestion schemes no longer have access to financial support in the shape of the Feed In Tariff (FIT) or Renewable Obligation Certificates (ROCs).  The Renewable Heat Incentive (RHI) continues to support biomethane injection. The RHI support is index linked and guaranteed for a 20 year period.  Anaerobic digestion can still be economically viable either through biomethane injection (generally large scale) or in small scale situations where there is a high power and ideally heat demand.

Opportunity exists for those with feedstocks such as manures, food waste or energy crops. We have worked on projects for arable and livestock farms, vegetable producers, farm estates, food production businesses, and industrial processes. Whatever your situation or requirements the JHW Energy team can help.

From initial feasibility and technology selection, JHW have secured planning, grid connection, ofgem accreditation and EA permits for a range of plants along with funding support and project delivery throughout the United Kingdom.

When we can help

  • High onsite energy usage?
  • Concerned about rising energy prices?
  • Existing or potential waste streams/rotational energy crops
  • Seeking commercially attractive investment returns?

Our services include


  • Advice on scale & technology selection
  • Grid connection (gas and electricity)
  • Permitting requirements
  • Feedstock selection – food waste, farm waste and energy crop
  • Heat use including drying and district heating
  • Funding - we deal with Banks and private investors, matching finance type to individual client needs

Planning Applications

  • Preparation, submission and planning application and supporting technical documentation
  • Discharge of planning conditions

Project Delivery

  • Supply agreements
  • Accreditation for the Renewable Heat Incentive (RHI), Combined Heat and Power Quality Assurance (CHPQA) and Enhanced Capital Allowance (ECA)
  • Project delivery and commissioning
  • Power Purchase Agreements

Why JHWalter

  • Substantial experience in the Renewable Energy sector across a range of scales and technologies
  • Anaerobic Digestion & Biogas Association (ABDA) selected consultants
  • Excellent success rate and realistic, honest Independent advice
  • Work hard to get you the best result for a fair fee
  • Excellent established reputation - originally established in 1790


Henry Haworth

BSc (Hons) MSc Energy Manager 01522 504 327
07919 694 234
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Henry Haworth

David Wright

BSc (Hons) MIAgrM Consultant 01522 504 321
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David Wright

James Lambert

BSc (Hons) MSc MRTPI Chartered Town Planner 01522 504 329
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James Lambert

Steve Catney

BA (Hons) Partner,
Town Planner
01522 504 330
07919 694 229
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Steve Catney