RESEARCH AND KNOWLEDGE TRANSFER
The Biomethane Market
A market briefing on how regulation, carbon intensity, certification and end use shape biomethane value.
- Authored by
- Katherine Casey
- Published by
- Climaticus
- Published
At a glance
- Ireland targets up to 5.7 TWh of biomethane by 2030.
- The EU targets 35 bcm of biomethane by 2030 under REPowerEU.
- Ireland's Renewable Heat Obligation is expected to commence in 2027, starting at 1.5 per cent and rising to 3 per cent.
- Great Britain's Green Gas Support Scheme has a commissioning deadline of 31 March 2030, a stage 1 application deadline of 31 March 2028, and a 2026/27 budget cap of £124.9m.
- Northern Ireland has no biomethane support scheme yet. Its gas-network target is 1.5 TWh by 2030 against an estimated potential of 6.12 TWh from agricultural waste and grassland.
New to the technology? Read how anaerobic digestion works, or the Irish AD landscape.
What the biomethane market is
Biomethane reaches market through different routes, and each route values the gas differently. The market spans regulated heat demand, transport fuel obligations, corporate procurement, grid injection, certification systems, and carbon-accounting requirements. Price signals, revenue certainty and investability change according to where the molecule lands and what claim the buyer needs to support.4 5
A single unit of biomethane can serve very different commercial functions: a compliance credit under a transport fuel obligation, a physical molecule feeding a district heat network, a certified attribute retired against a corporate Scope 3 target, or a bundled offtake for an industrial thermal user. Treating biomethane as one commodity market obscures the real drivers of value.15
What creates value in biomethane
Biomethane earns value through energy content, renewable origin, and verified carbon intensity. Value rises where the market prices decarbonisation attributes directly, and where claims must stand up in reporting, procurement, or compliance contexts.17 10
Three attributes anchor the pricing conversation. Carbon intensity, calculated under RED methodology, determines eligibility for many premium destinations. Feedstock type shapes both the intensity number and the market's confidence in the outcome, with wastes and residues generally rewarded over dedicated crops. Chain-of-custody quality determines whether the attribute can be sold once, cleanly, into a market that will pay for it.16 19
The main demand markets
Demand for biomethane splits across several destinations. Not every molecule captures the same premium in every market.
What buyers are buying
Buyers do not purchase gas volume alone. They purchase a bundle of attributes: energy content, renewable origin, traceability, carbon intensity, and the ability to support a reporting or compliance claim. The premium a project can command depends on how cleanly that bundle is documented.19 29
Chain of custody and independent verification carry increasing weight as CSRD, CSDDD and the EU Deforestation Regulation push corporate procurement teams to evidence Scope 3 claims to the same standard as financial disclosures. Certification schemes such as ISCC EU and the Green Gas Certification Scheme provide the recognised chain-of-custody rails that most buyers now require.10 11 12 19 29
The Custos Platform provides the monitoring, reporting and verification infrastructure that supports these claims. The Biogenia Marketplace connects verified biomethane and biogenic CO2 to biomethane offtakers under short- and long-term contracts.
Regulation that shapes the market
The regulatory architecture around biomethane operates in three layers. Demand-side and reporting rules determine which buyers must procure verified low-carbon gas and to what standard. Supply-side and AD-operations rules determine what a project can produce, how it must be certified, and how digestate and nutrients can be managed. Jurisdiction-specific support schemes determine what revenue and tariff certainty is available.5
Demand-side and reporting rules
CSRD, CSDDD and the EU Deforestation Regulation raise the evidentiary bar on corporate procurement. The EU Methane Regulation tightens MRV expectations on the energy sector itself. Voluntary carbon market frameworks such as VCMI and ICVCM set integrity thresholds for parallel claim types.
| Framework or instrument | What it requires |
|---|---|
| Corporate Sustainability Reporting Directive (CSRD) | Requires sustainability reporting under European Sustainability Reporting Standards, including value-chain and Scope 3 emissions data. Drives corporate demand for verified low-carbon gas.10 |
| Corporate Sustainability Due Diligence Directive (CSDDD) | Requires large companies to identify and address adverse human-rights and environmental impacts across value chains, raising the evidentiary bar on procurement claims.11 |
| EU Deforestation Regulation (EUDR) | Requires products placed on the EU market to be proven deforestation-free, with traceability to point of origin. Tightens supply-chain scrutiny for feedstock.12 |
| EU Methane Regulation (2024/1787) | Mandatory monitoring, reporting and reduction of methane emissions across the energy sector, including stricter MRV expectations on AD sites.6 |
| VCMI and ICVCM | Voluntary carbon market integrity frameworks setting credibility thresholds for corporate claims and carbon credits.1314 |
Supply-side and AD-operations rules
RED II and RED III set the sustainability, GHG and traceability rules that biomethane must meet to count. Nutrient, digestate and land-use rules shape feedstock choice and operations at plant level. Certification and grid standards determine what can be sold as recognised renewable gas.
| Framework or instrument | What it requires |
|---|---|
| Renewable Energy Directive II (RED II) | Establishes sustainability and greenhouse-gas criteria for bioenergy, including biomethane, and the counting rules for renewable energy claims.16 |
| Renewable Energy Directive III (RED III) | Raises the EU renewables target to 42.5 per cent by 2030 and tightens sustainability, traceability and cross-border transfer rules for biomethane.17 |
| National Biomethane Strategy (Ireland) | Sets a policy pathway of up to 5.7 TWh of biomethane by 2030, with measures on feedstock, planning and grid access.2 |
| Nitrates Directive (91/676) | Limits nitrogen pollution from manure and regulates fertiliser application near vulnerable water bodies, shaping feedstock and digestate management.7 |
| EU Fertilising Products Regulation (2019/1009) | Sets EU-wide rules for placing digestate and other bio-based fertilisers on the market as CE-marked products.18 |
| ISCC EU certification | Voluntary certification recognised under RED for demonstrating sustainability and chain-of-custody for biomethane and biogenic CO2.19 |
| Gas Networks Ireland injection standards | Technical, quality and metering standards for biomethane injected into the Irish gas grid.20 |
| CAP Strategic Plan 2023–2027 (eco-schemes) | Provides area-based payments and eco-scheme options that influence feedstock availability and farm-level participation in AD supply.21 |
| Renewable Heat Obligation (Ireland) | Expected to commence in 2027 with rates starting at 1.5 per cent and rising to 3 per cent, creating obligated demand for renewable gas in heat.22 |
| RENURE criteria | EU criteria for recovered nitrogen from manure, enabling processed nutrients to be used above Nitrates Directive limits and improving digestate value.23 |
| Carbon Removal Certification Framework (CRCF) | EU framework for certifying carbon removals and soil-carbon activities, relevant to digestate use and permanent removal claims.24 |
| Soil Monitoring Law | Proposed EU framework for soil health monitoring, shaping evidence requirements for digestate application and land management.25 |
| Water Framework Directive (2000/60) | Requires good ecological and chemical status for water bodies and prevents deterioration of water quality.8 |
| Nature Restoration Regulation | Requires restoration measures across land and sea by 2030, increasing pressure for measurable biodiversity outcomes from land use.9 |
Great Britain and Northern Ireland
Great Britain operates under a separate post-Brexit framework with clearer support routes than Northern Ireland. The GGSS, funded by the Green Gas Levy, provides tariff support for grid-injected biomethane. The RTFO rewards biomethane in transport. The Green Gas Certification Scheme provides chain-of-custody. Northern Ireland has no dedicated support scheme in place and remains in consultation.
| Framework or instrument | What it requires |
|---|---|
| Green Gas Support Scheme (GGSS) | Tariff support for biomethane injected into the GB grid. Commissioning deadline extended to 31 March 2030. Stage 1 application deadline remains 31 March 2028. Budget cap for 2026/27 set at £124.9m.26 |
| Green Gas Levy (GGL) | Levy on licensed gas suppliers that funds the GGSS, shaping the pass-through cost of renewable gas support in Great Britain.27 |
| Renewable Transport Fuel Obligation (RTFO) | Certificate-based obligation supporting renewable fuels in UK transport, including biomethane pathways for HGVs and shipping.28 |
| Green Gas Certification Scheme (GGCS) | Chain-of-custody certification tracking green gas from injection to end use across the GB gas grid.29 |
| Northern Ireland position | No dedicated biomethane support scheme is in place. Gas-network target of 1.5 TWh by 2030 against an estimated potential of 6.12 TWh from agricultural waste and grassland. Consultation and strategy work continue.30 |
Jurisdiction-specific support schemes determine what revenue and tariff certainty is available. Climaticus tracks how those frameworks shape commercial viability, project delivery and market positioning.
Ireland
Ireland's biomethane market depends on state strategy, grid readiness, AD project delivery, feedstock design and the expected Renewable Heat Obligation. The National Biomethane Strategy sets a policy pathway of up to 5.7 TWh by 2030, while current output remains a small fraction of that level.2 3
Gas Networks Ireland's injection standards set the technical bar for grid entry, and the Renewable Heat Obligation, expected to commence in 2027 at 1.5 per cent and rising to 3 per cent, will create obligated demand for renewable gas in heat.20 22 The market is emerging and structured rather than mature. Delivery risk sits in feedstock aggregation, grid connection, community legitimacy and the credibility of long-term offtake.1
Great Britain and Northern Ireland
Great Britain provides a working example of tariff-based support for grid injection. The GGSS commissioning deadline runs to 31 March 2030. The stage 1 application deadline remains 31 March 2028. The 2026/27 budget cap is set at £124.9m. The Green Gas Levy funds the scheme, the RTFO supports biomethane in transport, and the Green Gas Certification Scheme provides the chain-of-custody rails.26 27 28 29
Northern Ireland sits in a holding pattern. There is no dedicated biomethane support scheme. The gas network carries a 1.5 TWh target by 2030 against an estimated potential of 6.12 TWh from agricultural waste and grassland. Consultation and strategy work continue and will shape whether NI joins the market on GB-style terms, on Irish-style terms, or under a bespoke framework.30
Europe
REPowerEU sets a target of 35 bcm of biomethane by 2030, reframing renewable gas as both a decarbonisation tool and an energy-security asset. RED II and RED III set the sustainability, GHG and counting rules that shape how any European biomethane project must operate to be recognised.4 16 17
Delivery remains uneven. Mature Northern and Western markets already have functioning revenue frameworks. Southern and Eastern markets carry feedstock potential but weaker bankable structures. EU-level rules shape investment logic even where physical delivery happens locally.5
What determines commercial viability
Project viability rests on a specific set of factors. Some biomethane projects command stronger premiums because they align these factors deliberately, from the earliest development stage.
- Market destination and the price signal it carries.
- Carbon intensity under recognised RED methodology.
- Feedstock type, quality, and availability under CAP and nutrient rules.
- Certificate or tariff support in the target jurisdiction.
- Chain-of-custody quality and the certification scheme used.
- Grid access, injection standards and biomethane specification.
- The cost of proving claims, including MRV, audit and reporting overheads.
Matching molecules to the right demand is the commercial task. It is not a marketing exercise. It is the pricing mechanism of the market itself.15
What this means for Climaticus
Climaticus helps projects and counterparties position biomethane in the markets that recognise its full value. We connect feedstock, verification, market logic and stakeholder confidence so projects can match molecules to the right demand.
Our research and knowledge-transfer work maps how policy, certification and buyer expectations move. The Custos Platform provides the MRV and traceability infrastructure buyers now require. The Biogenia Marketplace connects verified molecules to demand. Our stakeholder-centred approach through Civitas secures the social licence that projects depend on to reach delivery.
References
- Climate Action and Low Carbon Development (Amendment) Act 2021. https://www.irishstatutebook.ie/eli/2021/act/32/enacted/en/html
- Government of Ireland, National Biomethane Strategy. https://www.gov.ie/en/department-of-climate-energy-and-the-environment/publications/national-biomethane-strategy/
- Energy Ireland, Biomethane: a sustainable industry of scale. https://www.energyireland.ie/biomethane-a-sustainable-industry-of-scale/
- European Commission, Biomethane. https://energy.ec.europa.eu/topics/renewable-energy/bioenergy/biomethane_en
- Giannakis, Poriazis and Tsakas (2026), Energy Research & Social Science. https://doi.org/10.1016/j.erss.2026.104799
- Regulation (EU) 2024/1787 on methane emissions reduction. https://eur-lex.europa.eu/eli/reg/2024/1787/oj/eng
- Nitrates Directive 91/676/EEC. https://eur-lex.europa.eu/eli/dir/1991/676/oj
- Water Framework Directive 2000/60/EC. https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32000L0060
- Nature Restoration Regulation. https://eur-lex.europa.eu/eli/reg/2024/1991/oj/eng
- Corporate Sustainability Reporting Directive. https://eur-lex.europa.eu/eli/dir/2022/2464/oj/eng
- Corporate Sustainability Due Diligence Directive. https://eur-lex.europa.eu/eli/dir/2024/1760/oj/eng
- EU Deforestation Regulation. https://eur-lex.europa.eu/eli/reg/2023/1115/oj/eng
- Voluntary Carbon Markets Integrity Initiative. https://vcmintegrity.org/
- ICVCM Core Carbon Principles. https://icvcm.org/core-carbon-principles/
- McKinsey, Scaling biomethane: the next phase of growth in renewable gas. https://www.mckinsey.com/industries/oil-and-gas/our-insights/oil-and-gas-blog/scaling-biomethane-the-next-phase-of-growth-in-renewable-gas
- Renewable Energy Directive II (Directive (EU) 2018/2001). https://eur-lex.europa.eu/eli/dir/2018/2001/oj/eng
- Renewable Energy Directive III (Directive (EU) 2023/2413). https://eur-lex.europa.eu/eli/dir/2023/2413/oj/eng
- EU Fertilising Products Regulation (Regulation (EU) 2019/1009). https://eur-lex.europa.eu/eli/reg/2019/1009/oj/eng
- ISCC EU certification. https://www.iscc-system.org/certification/iscc-certification-schemes/iscc-eu/
- Gas Networks Ireland, Biomethane injection standards. https://www.gasnetworks.ie/large-energy-users/renewable-gas/
- CAP Strategic Plan 2023–2027, Ireland. https://www.gov.ie/en/publication/76e21-common-agricultural-policy-cap-post-2023/
- Renewable Heat Obligation, Department of Climate, Energy and the Environment. https://www.gov.ie/en/publication/e63ef-renewable-heat-obligation/
- European Commission Joint Research Centre, Technical proposals for the safe use of processed manure above the threshold established for Nitrate Vulnerable Zones by the Nitrates Directive (RENURE). https://publications.jrc.ec.europa.eu/repository/handle/JRC121636
- Carbon Removal Certification Framework (Regulation (EU) 2024/3012). https://eur-lex.europa.eu/eli/reg/2024/3012/oj/eng
- Soil Monitoring and Resilience Directive (proposed). https://environment.ec.europa.eu/topics/soil-health/soil-monitoring-law_en
- Green Gas Support Scheme (Great Britain). https://www.ofgem.gov.uk/environmental-and-social-schemes/green-gas-support-scheme-ggss-and-green-gas-levy-ggl
- Green Gas Levy (Great Britain). https://www.ofgem.gov.uk/environmental-and-social-schemes/green-gas-support-scheme-ggss-and-green-gas-levy-ggl
- Renewable Transport Fuel Obligation, Department for Transport. https://www.gov.uk/government/collections/renewable-transport-fuels-obligation-rtfo
- Green Gas Certification Scheme. https://www.greengas.org.uk/
- Northern Ireland Department for the Economy, Energy Strategy and biomethane consultation. https://www.economy-ni.gov.uk/topics/energy
Begin A Project Conversation.
We work with farmers, developers, biomethane offtakers, communities and funders. If you're exploring feedstock supply, AD development, or decarbonisation pathways, we'd like to hear from you.