https://feedstockdata.com/knowledge/Compendium on biogas, biomethane and waste-to-energyen-gbFri, 06 Nov 2026 08:00:00 +0000https://feedstockdata.com/knowledge/will-a-heating-cable-protect-the-system-from-frost/https://feedstockdata.com/knowledge/will-a-heating-cable-protect-the-system-from-frost/Fri, 06 Nov 2026 08:00:00 +0000Technology and operationA heating cable protects the system from frost only if it is matched to the conditions, insulated, powered and monitored. When it fails and how to check.https://feedstockdata.com/knowledge/environmental-permits-and-notifications-for-chp-determining-the-regime/https://feedstockdata.com/knowledge/environmental-permits-and-notifications-for-chp-determining-the-regime/Thu, 05 Nov 2026 08:00:00 +0000Cogeneration and enginesThe environmental regime of a CHP unit is determined by the thermal input in the fuel, a shared stack, the type of installation and the link to the biogas plant. How to establish it step by step.https://feedstockdata.com/knowledge/digester-liquid-level-and-agitator-safety/https://feedstockdata.com/knowledge/digester-liquid-level-and-agitator-safety/Thu, 05 Nov 2026 08:00:00 +0000Safety and ATEXWhy too low a liquid level in the digester damages agitators and increases risk to people, and too high a level threatens the membrane and causes overflow. Principles, measurements and requirements for the protection system.https://feedstockdata.com/knowledge/checking-biogas-installation-tightness-without-risky-tests/https://feedstockdata.com/knowledge/checking-biogas-installation-tightness-without-risky-tests/Thu, 05 Nov 2026 08:00:00 +0000Tanks and membranesHow to check the tightness of tanks, membranes and biogas pipework using non-invasive methods: optical gas imaging, detectors, gas balance and observation, with no tests on flammable gas.https://feedstockdata.com/knowledge/how-to-choose-anti-freeze-heating-for-overpressure-and-vacuum-protection/https://feedstockdata.com/knowledge/how-to-choose-anti-freeze-heating-for-overpressure-and-vacuum-protection/Wed, 04 Nov 2026 08:00:00 +0000Operation and failuresA frozen liquid seal no longer protects the tank. Criteria for choosing heating: power, insulation, medium, explosion-hazard zone and monitoring.https://feedstockdata.com/knowledge/biogas-plant-winter-heat-balance-losses-and-heat-demand/https://feedstockdata.com/knowledge/biogas-plant-winter-heat-balance-losses-and-heat-demand/Tue, 03 Nov 2026 08:00:00 +0000Process biology and start-upIn winter the heat the process needs rises several-fold compared with summer. How to calculate substrate heating, losses through the walls and the heat reserve from cogeneration.https://feedstockdata.com/knowledge/slupsk-bioenergy-island-sewage-sludge-biogas-energy-storage/https://feedstockdata.com/knowledge/slupsk-bioenergy-island-sewage-sludge-biogas-energy-storage/Thu, 29 Oct 2026 08:00:00 +0000BiogasConstruction of the Słupsk Bioenergy Island (Słupska Wyspa Bioenergetyczna) is under way at the wastewater treatment plant in Słupsk: sludge hydrolysis, a 2,700 m³ biogas tank, 1 MW cogeneration, 1 MW/2.4 MWh energy storage and a heat pump. Cost PLN 62.1 million, of which about PLN 37.25 million from the National Recovery and Resilience Plan (KPO).https://feedstockdata.com/knowledge/methane-losses-and-fugitive-emissions-at-a-biogas-plant-detection-and-reduction/https://feedstockdata.com/knowledge/methane-losses-and-fugitive-emissions-at-a-biogas-plant-detection-and-reduction/Thu, 29 Oct 2026 08:00:00 +0000Technology and operationMethane escapes through roof valves, leaks, digestate stores, upgrading and unburned gas in the CHP. How to detect, measure and reduce it, and what the EU Methane Regulation means.https://feedstockdata.com/knowledge/german-government-approves-red-iii-bioenergy-sustainability-regulations/https://feedstockdata.com/knowledge/german-government-approves-red-iii-bioenergy-sustainability-regulations/Thu, 29 Oct 2026 08:00:00 +0000Law and regulationOn 28 October 2026 the German federal cabinet approved regulations transposing the RED III sustainability criteria: the emission reduction threshold for power plants rises from 70% to 80%, certificates can be withdrawn, and the Union Database is to become mandatory.https://feedstockdata.com/knowledge/ets2-for-buildings-and-transport-impact-on-gas-biomethane-and-biocng/https://feedstockdata.com/knowledge/ets2-for-buildings-and-transport-impact-on-gas-biomethane-and-biocng/Thu, 29 Oct 2026 08:00:00 +0000Law and regulationETS2 will cover CO₂ emissions from fuel combustion in buildings and road transport; the charges will be borne by fuel suppliers. What is known about the timing, the mechanisms and the effects on gas, biomethane and bioCNG.https://feedstockdata.com/knowledge/how-the-world-pays-for-biogas-and-biomass-electricity-comparison-2026/https://feedstockdata.com/knowledge/how-the-world-pays-for-biogas-and-biomass-electricity-comparison-2026/Wed, 28 Oct 2026 08:00:00 +0000Market and investmentFrom fixed tariffs to premium auctions and CfDs: we compare how a dozen or so countries pay for electricity from biogas and biomass, how much that amounts to in EUR/MWh, and what follows for Poland.https://feedstockdata.com/knowledge/enea-and-kgs-to-build-six-biomethane-plants-at-sugar-factories/https://feedstockdata.com/knowledge/enea-and-kgs-to-build-six-biomethane-plants-at-sugar-factories/Wed, 28 Oct 2026 08:00:00 +0000Market and investmentEnea and KGS signed a cooperation plan: six biomethane plants at seven sugar factories, about 60 MW in total and about 1.2 TWh of biomethane per year (about 18.2 million m³ per installation). Feedstocks: sugar beet pulp, potato pulp and manure.https://feedstockdata.com/knowledge/dirty-renewables-what-the-term-means-and-which-energy-sources-it-covers/https://feedstockdata.com/knowledge/dirty-renewables-what-the-term-means-and-which-energy-sources-it-covers/Tue, 27 Oct 2026 08:00:00 +0000Waste-to-energy"Dirty renewables" is a journalistic label, not a legal concept. We explain what it is used for: biomass burning, co-firing with coal and energy from waste, and how it differs from fermentation.https://feedstockdata.com/knowledge/carbon-footprint-of-hydrogen-from-gas-electrolysis-and-biomethane-eu-thresholds/https://feedstockdata.com/knowledge/carbon-footprint-of-hydrogen-from-gas-electrolysis-and-biomethane-eu-thresholds/Thu, 22 Oct 2026 08:00:00 +0000BiohydrogenThe carbon footprint of hydrogen ranges from several dozen kg CO₂e/kg for electrolysis on a coal-based grid to negative values for biomethane from slurry. We work through examples and discuss the 70% reduction threshold in EU law.https://feedstockdata.com/knowledge/bmp-zucchini-and-vegetable-marrow/https://feedstockdata.com/knowledge/bmp-zucchini-and-vegetable-marrow/Thu, 22 Oct 2026 08:00:00 +0000BMP testingCourgette and marrow (Cucurbita pepo) are very watery cucurbit vegetables; waste from cultivation and processing is readily fermentable, but has a low dry matter content.https://feedstockdata.com/knowledge/mol-launches-first-biomethane-plant-in-hungary-szarvas-meat-industry-waste/https://feedstockdata.com/knowledge/mol-launches-first-biomethane-plant-in-hungary-szarvas-meat-industry-waste/Wed, 21 Oct 2026 08:00:00 +0000BiomethaneThe MOL Group started up its first biomethane plant in Szarvas, Hungary: an expansion of a biogas plant with an upgrading module will replace more than 7 million m³ of natural gas per year. The feedstock is meat industry waste and animal manures.https://feedstockdata.com/knowledge/bmp-floating-aquatic-plants-duckweed-frogbit-water-lettuce-salvinia-water/https://feedstockdata.com/knowledge/bmp-floating-aquatic-plants-duckweed-frogbit-water-lettuce-salvinia-water/Sun, 18 Oct 2026 08:00:00 +0000BMP testingDuckweed, frogbit, water lettuce, salvinia and water chestnut are floating aquatic plants with a high water content; results come from several studies and different species.https://feedstockdata.com/knowledge/president-signs-res-act-amendment-with-biomethane-auctions-dz-u-2026-item-1347/https://feedstockdata.com/knowledge/president-signs-res-act-amendment-with-biomethane-auctions-dz-u-2026-item-1347/Fri, 16 Oct 2026 08:00:00 +0000Law and regulationOn 15 October 2026 President Karol Nawrocki signed the amendment to the Act on Renewable Energy Sources with biomethane auctions, rules for direct pipelines and changes for prosumers. Wind turbines were excluded from the draft after the 2025 veto.https://feedstockdata.com/knowledge/bmp-wheat-straw/https://feedstockdata.com/knowledge/bmp-wheat-straw/Mon, 12 Oct 2026 08:00:00 +0000BMP testingWheat straw is the best-studied straw in the compendium, including in inter-laboratory tests. Lignocellulosic, hard to degrade, with a high C/N ratio, it requires chopping.https://feedstockdata.com/knowledge/bmp-fish-waste/https://feedstockdata.com/knowledge/bmp-fish-waste/Thu, 08 Oct 2026 08:00:00 +0000BMP testingFish waste is a high-protein and fatty material from fish processing. It gives a large gas potential, but requires control of ammonia, salt and fats and application of the ABP rules.https://feedstockdata.com/knowledge/implementing-ogi-purchase-rental-or-external-service/https://feedstockdata.com/knowledge/implementing-ogi-purchase-rental-or-external-service/Wed, 07 Oct 2026 08:00:00 +0000Technology and operationHow to implement OGI: when to buy a camera, when to rent one and when to commission an inspection — and what follows from Regulation (EU) 2024/1787, what the good practices for biogas plants are and how to choose a supplier.https://feedstockdata.com/knowledge/bmp-pasta-food-waste/https://feedstockdata.com/knowledge/bmp-pasta-food-waste/Tue, 06 Oct 2026 08:00:00 +0000BMP testingPasta from catering waste is a starch-rich material that digests quickly and well, but easily acidifies the reactor at a larger dose.https://feedstockdata.com/knowledge/ure-issues-first-fip-certificate-and-first-guarantee-of-origin-for-biomethane/https://feedstockdata.com/knowledge/ure-issues-first-fip-certificate-and-first-guarantee-of-origin-for-biomethane/Wed, 30 Sep 2026 08:00:00 +0000Law and regulationOn 24 September 2026 the President of the Energy Regulatory Office (URE) for the first time issued a certificate entitling the holder to sell biomethane injected into the grid with the FIP premium, and on 25 September the first guarantee of origin for biomethane produced in the first half of 2026.https://feedstockdata.com/knowledge/japan-gx-ets-mandatory-emissions-trading-fiscal-year-2026-price-band/https://feedstockdata.com/knowledge/japan-gx-ets-mandatory-emissions-trading-fiscal-year-2026-price-band/Wed, 30 Sep 2026 08:00:00 +0000Emissions and climateHow the Japanese GX-ETS works: the amendment of the GX act of 28 May 2025, the start of the mandatory system on 1 April 2026, a threshold of 100,000 t CO₂, free allocation, a price band and offsets of up to 10%.https://feedstockdata.com/knowledge/rybnik-niewiadom-municipal-biogas-plant-environmental-decision-upheld/https://feedstockdata.com/knowledge/rybnik-niewiadom-municipal-biogas-plant-environmental-decision-upheld/Tue, 29 Sep 2026 08:00:00 +0000BiogasThe Local Government Appeals Board in Katowice upheld the environmental decision for the municipal biogas plant in Rybnik-Niewiadom on a reclaimed spoil heap. A residents' association protested; the decision can be appealed to the Voivodeship Administrative Court (WSA).https://feedstockdata.com/knowledge/komorow-agricultural-biomethane-plant-starts-injecting-gas-into-grid/https://feedstockdata.com/knowledge/komorow-agricultural-biomethane-plant-starts-injecting-gas-into-grid/Mon, 28 Sep 2026 08:00:00 +0000BiomethaneOn 25 September 2026 the Agro-Biogas agricultural biomethane plant was started in Komorów (Ostrów Mazowiecka municipality): about 20 GWh of biomethane per year from manure and slurry, injected into the PSG grid; sales are handled by Axpo under a 20-year agreement.https://feedstockdata.com/knowledge/chp-heat-or-biomethane-technical-criteria-for-choosing-a-biogas-route/https://feedstockdata.com/knowledge/chp-heat-or-biomethane-technical-criteria-for-choosing-a-biogas-route/Sun, 27 Sep 2026 08:00:00 +0000BiogasThree main routes: cogeneration, heat alone and upgrading to biomethane. A comparison of technical requirements, scale, off-takers, efficiency and risks, without rates and prices.https://feedstockdata.com/knowledge/szczecin-trams-to-run-on-energy-from-waste-ecogenerator-agreement/https://feedstockdata.com/knowledge/szczecin-trams-to-run-on-energy-from-waste-ecogenerator-agreement/Thu, 24 Sep 2026 08:00:00 +0000Waste-to-energyFrom 1 October 2026 to the end of July 2027 Tramwaje Szczecińskie will buy about 8,395 MWh of energy from EcoGenerator – a municipal waste thermal treatment installation – which will cover about 40% of traction energy demand.https://feedstockdata.com/knowledge/biomethane-in-transport-ncw-red-iii-biocng-biolng-poland-2026/https://feedstockdata.com/knowledge/biomethane-in-transport-ncw-red-iii-biocng-biolng-poland-2026/Tue, 22 Sep 2026 08:00:00 +0000Law and regulationHow RED III and the Polish NCW treat biomethane in transport: EU targets, multipliers, caps, the rule of separation from support under the Act on Renewable Energy Sources and practical consequences for bioCNG and bioLNG.https://feedstockdata.com/knowledge/biomethane-potential-in-poland-market-status-scenarios-and-limitations-2026/https://feedstockdata.com/knowledge/biomethane-potential-in-poland-market-status-scenarios-and-limitations-2026/Fri, 18 Sep 2026 08:00:00 +0000Market and investmentPoland has hundreds of biogas plants, but biomethane injection into the grid is only just starting. We organise the data (KOWR, PSG), calculate the scale of the potential and point out the barriers and factors that will decide the pace of development.https://feedstockdata.com/knowledge/von-der-leyen-names-biomethane-in-2026-state-of-the-union-address/https://feedstockdata.com/knowledge/von-der-leyen-names-biomethane-in-2026-state-of-the-union-address/Thu, 17 Sep 2026 08:00:00 +0000Emissions and climateIn the 2026 State of the Union address the Commission President named biomethane, alongside renewable and nuclear energy, as a domestic, affordable source of energy; imported fossil fuels have cost Europe an additional EUR 90 billion since the start of the conflict.https://feedstockdata.com/knowledge/bmp-apples/https://feedstockdata.com/knowledge/bmp-apples/Wed, 16 Sep 2026 08:00:00 +0000BMP testingApples and their waste (non-commercial fruit, residues from markets and processing) are a moist, sugar-rich substrate, degrading quickly and readily acidifying the digester.https://feedstockdata.com/knowledge/czech-biomethane-auction-oversubscribed-fourfold-176-4-million-m3-offered/https://feedstockdata.com/knowledge/czech-biomethane-auction-oversubscribed-fourfold-176-4-million-m3-offered/Fri, 11 Sep 2026 08:00:00 +0000BiomethaneThe first Czech operating support auction for biomethane (45 million m³ per year, held in May) drew huge interest: 63 projects submitted 176.4 million m³ of annual production. Competition lowered the reference prices.https://feedstockdata.com/knowledge/bmp-flower-wastes-cut-flowers-flower-pomace/https://feedstockdata.com/knowledge/bmp-flower-wastes-cut-flowers-flower-pomace/Thu, 10 Sep 2026 08:00:00 +0000BMP testingFlower waste means pressed flower residues and cutting waste, e.g. gerbera; records from different studies show how varied this stream is.https://feedstockdata.com/knowledge/bmp-sargassum-biomass/https://feedstockdata.com/knowledge/bmp-sargassum-biomass/Tue, 08 Sep 2026 08:00:00 +0000BMP testingSargassum (gulfweed) is a brown seaweed that floods Caribbean beaches; it contains salt, polyphenols and arsenic, so it is a difficult, low-yielding biogas substrate.https://feedstockdata.com/knowledge/ogi-camera-manufacturers-and-distribution-in-poland/https://feedstockdata.com/knowledge/ogi-camera-manufacturers-and-distribution-in-poland/Thu, 03 Sep 2026 08:00:00 +0000Market and investmentAn editorial, alphabetical overview of OGI camera manufacturers, companies selling this equipment in Poland and LDAR/OGI service providers — with website addresses and the date of checking. No rankings or recommendations.https://feedstockdata.com/knowledge/bmp-sunflower-seeds/https://feedstockdata.com/knowledge/bmp-sunflower-seeds/Wed, 02 Sep 2026 08:00:00 +0000BMP testingSunflower seeds are an oily and protein-rich material, examined in an interlaboratory BMP programme. A high fat content gives a high potential, but requires caution in dosing.https://feedstockdata.com/knowledge/bmp-pig-slurry/https://feedstockdata.com/knowledge/bmp-pig-slurry/Mon, 31 Aug 2026 08:00:00 +0000BMP testingPig slurry has low dry matter and a lot of ammonium nitrogen; its methane potential is moderate and depends strongly on the feed and storage.https://feedstockdata.com/knowledge/galia-green-power-pln-376-million-for-biogas-and-biomethane-plants/https://feedstockdata.com/knowledge/galia-green-power-pln-376-million-for-biogas-and-biomethane-plants/Thu, 27 Aug 2026 08:00:00 +0000Market and investmentPKO BP, BGK and mBank will finance Galia Green Power with PLN 376 million (with the option of an increase by PLN 225 million) for acquiring biogas plants and building biomethane plants; the target is 25 biomethane installations by 2032.https://feedstockdata.com/knowledge/biogas-composition-and-quantity-variability-ch4-co2-and-substrate-influence/https://feedstockdata.com/knowledge/biogas-composition-and-quantity-variability-ch4-co2-and-substrate-influence/Wed, 26 Aug 2026 08:00:00 +0000BiogasAgricultural biogas is usually 50–65% CH₄, the rest mainly CO₂. Where fluctuations over the day and the season come from, how the substrate affects composition, and how to measure gas flow and composition correctly.https://feedstockdata.com/knowledge/india-cerc-proposes-generic-tariffs-2026-27-biogas-11-17-rs-kwh/https://feedstockdata.com/knowledge/india-cerc-proposes-generic-tariffs-2026-27-biogas-11-17-rs-kwh/Mon, 24 Aug 2026 08:00:00 +0000Law and regulationIn August 2026 CERC proposed generic tariffs for 2026–27: biogas 11.17 Rs/kWh (against 10.88 in 2025–26), biomass from about 9.60 to over 11.60, bagasse from about 7.50 to about 9.40 Rs/kWh.https://feedstockdata.com/knowledge/china-ecological-environmental-code-in-force-15-august-2026/https://feedstockdata.com/knowledge/china-ecological-environmental-code-in-force-15-august-2026/Mon, 24 Aug 2026 08:00:00 +0000Law and regulationChina's first Ecological and Environmental Code, adopted on 12 March 2026, entered into force on 15 August 2026. It replaced ten laws, including the one on solid waste; other laws, such as on energy conservation, remain in force.https://feedstockdata.com/knowledge/bmp-office-paper/https://feedstockdata.com/knowledge/bmp-office-paper/Fri, 21 Aug 2026 08:00:00 +0000BMP testingOffice paper (office waste paper) is almost pure cellulose with fillers, which digests well, but the range of results in the dataset is very wide.https://feedstockdata.com/knowledge/deposit-return-system-in-poland-how-it-works-from-1-october-2025/https://feedstockdata.com/knowledge/deposit-return-system-in-poland-how-it-works-from-1-october-2025/Thu, 20 Aug 2026 08:00:00 +0000Waste and circular economyFrom 1 October 2025 a deposit of 50 gr is paid for PET bottles up to 3 l and cans up to 1 l, and PLN 1 for reusable glass bottles up to 1.5 l. We explain the rules, shop obligations and the 2026 changes.https://feedstockdata.com/knowledge/bmp-willow-short-rotation/https://feedstockdata.com/knowledge/bmp-willow-short-rotation/Mon, 17 Aug 2026 08:00:00 +0000BMP testingEnergy willow (Salix) from short-rotation plantations is woody biomass with a moderate methane potential, strongly dependent on shoot age and particle size.https://feedstockdata.com/knowledge/hydrogen-at-a-biogas-plant-local-use-scenarios-and-whether-they-make-sense/https://feedstockdata.com/knowledge/hydrogen-at-a-biogas-plant-local-use-scenarios-and-whether-they-make-sense/Sat, 15 Aug 2026 08:00:00 +0000BiohydrogenShould a biogas plant produce hydrogen? We assess five scenarios: electrolysis from CHP electricity, biomethane reforming, hydrogen-assisted digestion, hydrogen for farm machinery and supply to industry.https://feedstockdata.com/knowledge/ambassador-project-20-km-pipeline-for-biomethane-plant-and-liquid-co2/https://feedstockdata.com/knowledge/ambassador-project-20-km-pipeline-for-biomethane-plant-and-liquid-co2/Thu, 13 Aug 2026 08:00:00 +0000Technology and operationBZK Energy has commissioned Tesgas to build a 20 km medium-pressure pipeline to the Ambassador biomethane plant; it is to connect the installation to the GAZ-SYSTEM transmission grid by the end of November 2027. Planned production: more than 5 million m³ of biomethane and about 4 million m³ of CO₂ per year (gas volume).https://feedstockdata.com/knowledge/ogi-solutions-handheld-fixed-drone-and-qogi-cameras-overview/https://feedstockdata.com/knowledge/ogi-solutions-handheld-fixed-drone-and-qogi-cameras-overview/Wed, 12 Aug 2026 08:00:00 +0000Technology and operationAn overview of OGI solution categories: cooled and uncooled cameras, fixed, drone-mounted, quantitative (QOGI), software and Ex versions — and the parameters that actually differentiate the devices.https://feedstockdata.com/knowledge/india-new-gobardhan-programme-23731-crore-august-2026/https://feedstockdata.com/knowledge/india-new-gobardhan-programme-23731-crore-august-2026/Wed, 12 Aug 2026 08:00:00 +0000BiomethaneOn 6 August 2026 India's cabinet approved the GOBARdhan programme for 2026/27–2035/36: 23,731 crore rupees, an administered price of 2,110 rupees per MMBtu and subsidies for building CBG plants.https://feedstockdata.com/knowledge/bmp-sugarcane-bagasse/https://feedstockdata.com/knowledge/bmp-sugarcane-bagasse/Thu, 06 Aug 2026 08:00:00 +0000BMP testingBagasse is a fibrous waste left after pressing sugar cane. Rich in lignocellulose, it requires size reduction and often pretreatment to perform well in the digestion chamber.