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Based on Pirraglia 2010 / Sultana 2010Wood pellet plant: drying heat by feedstock moisture, grinding and pelleting electricity, production cost per tonne
Wood pellet plant from wet sawdust or chips: feedstock and water evaporated from the moisture balance, drying heat, electricity, all-in CAPEX on Pirraglia's scale law and the production cost in EUR/t and EUR/MWh.
Energy mass balanceCosting+1Biomass
Open Jack1010
Based on IEA 2019 / IRENA 2022Refrigerated ammonia storage with boil-off reliquefaction
Liquid ammonia tank farm at -33 C for a plant or export terminal, 10 to 3,000 t/d and 1 to 45 days: working capacity, number of 50 kt tanks, boil-off, reliquefaction electricity, installed CAPEX and storage cost per tonne shipped, from IEA terminal tank costs and IRENA boil-off rates.
CostingEnergy mass balance+1AmmoniaOpen Jack68
Based on DEA 2025 / Härtel 2017Offshore wind HVDC export link: losses, HVAC/HVDC break-even distance and transmission cost per MWh
VSC-HVDC export of an offshore wind farm (500-2,000 MW): converter and cable losses, installed CAPEX against an HVAC export, break-even distance and transmission cost per MWh delivered, on DEA 2025 unit costs and the Härtel 2017 cost model.
Energy mass balanceCostingOtherOpen Jack77
Based on Oxford 2015 / BERG / Jain 2022Nitrogen supply for ammonia: PSA or cryogenic ASU
Ammonia-grade nitrogen from air, by a PSA generator at 99.999 % (BERG air factors and list prices) or by a cryogenic air separation unit (Oxford/Cesaro, Jain 2022): specific energy in kWh/t N2, power, ex-works CAPEX with a sourced scaling law per technology, and the cost of nitrogen per tonne of N2 and per tonne of NH3, with the size at which a PSA has to give way to cryogenics.
Energy mass balanceCostingAmmoniaOpen Jack13
Based on DEA 09a / ADEME 2016Industrial wood-chip biomass boiler (hot water or steam) - levelised cost of heat
Grate-fired wood-chip boiler for hot water or low-pressure steam: wood tonnage from the moisture content, ash, auxiliaries, installed CAPEX on a DEA scale law checked against ADEME, and the levelised cost of heat in EUR/MWh.
Energy mass balanceCosting+1BiomassOpen Jack8
Based on ORNL 2015 / Lemmens 2016 / IFCIndustrial waste-heat ORC unit: efficiency by source temperature, auxiliaries and LCOE
ORC unit on industrial waste heat (thermal-oil loop): conversion efficiency from the source temperature as a fraction of Carnot, 7 % auxiliaries, installed CAPEX on a sourced 0.867 scale law and the LCOE in EUR/MWh.
Energy mass balanceCosting+1GeothermalOpen Jack8
Based on Danish Energy Agency 2025Fixed-bottom offshore wind farm (monopile, 10-15 MW turbines): net yield after wake and availability, CAPEX build-up and LCOE
Fixed-bottom offshore wind farm on monopiles with 8-20 MW turbines: net yield after wake, outage and grid losses, installed CAPEX built up from the Danish Energy Agency 2025 depth and distance functions, O&M and LCOE in real 2023 EUR/MWh.
Energy mass balanceCostingWindOpen Jack4
Based on NREL LCOC 2020 / ICCT 2019DC fast-charging hub for electric vehicles
One to twelve DC fast chargers of 50-400 kW: energy delivered, subscribed grid power, conversion losses, installed CAPEX from ICCT 2019 and the levelised cost per kWh delivered (NREL LCOC), with an optional sale margin.
CostingEnergy mass balance+1OtherOpen Jack12
Based on IRENA 2023 / World Bank 2019Electrolyser feed-water demineralisation (RO + EDI)
Reverse osmosis plus EDI polishing of tap, river or sea water to electrolysis-grade water: demand from the H2 rate, intake and brine, electricity, all-in CAPEX and the cost per m3 and per kg H2, chainable as the electrolyser water price.
CostingEnergy mass balance+1OtherOpen Jack8
Based on ASUE 2014 / ENavi / DEABiogas CHP gas engine: efficiency by size, biogas flow, maintenance and LCOE with heat credit
Biogas CHP gas engine from 100 to 4,500 kW: electrical and thermal efficiency by size (ASUE 2011, DEA) or from Jenbacher J416/J620 datasheets, biogas flow in Nm3/h at the stated methane content, full-service maintenance per running hour (ASUE 2014), installed CAPEX with a sourced piecewise scaling law, and the LCOE with heat credit.
Energy mass balanceCostingBiomassOpen Jack11
Based on EU JRC BREF 2014 / IEAGHGChlor-alkali membrane electrolysis plant
Brine to chlorine, caustic soda (32 or 50 %) and by-product hydrogen in bipolar membrane cells: electricity and steam per tonne of Cl2, salt, H2 and its fuel credit, CAPEX, opex and levelised cost per ECU on the EU chlor-alkali BREF 2014 basis.
Energy mass balanceCostingOtherOpen Jack2
Based on US DOE 2016 / EU Lot 31Variable-speed rotary screw air compressor
Oil-injected variable-speed screw compressor on an industrial site, against a fixed-speed load/unload machine of the same FAD: free air delivery from the rated motor power (DOE / Lot 31 efficiency curves), specific power and energy at part load, recoverable heat, VSD saving, and the cost of compressed air per 1,000 Nm3 in constant EUR 2025.
Energy mass balanceCostingOtherOpen Jack98
Based on EASA 2026 / ReFuelEU Art. 12ReFuelEU Aviation e-SAF compliance value and penalty exposure
What a tonne of e-SAF is worth under the ReFuelEU synthetic sub-mandate: Art. 12 minimum penalty, penalty-based price ceiling and margin against the plant's levelised cost, with sub-mandate coverage and the ASTM blend check.
CostingEnergy mass balanceE-fuelsOpen Jack10
Based on Schemme 2020; Semmel 2023Methanol to DME dehydration unit
Gas-phase dehydration of e-methanol or bio-methanol into fuel-grade DME, 1 to 400 t/h of methanol: mass balance, recycle, column heat, and conversion cost per tonne of DME from Schemme 2020 and Semmel et al. 2023, plus the full cost at your methanol price.
CostingEnergy mass balanceE-fuelsOpen Jack47
Based on DOE 2012 / TNO 2018Mechanical vapour recompression (MVR) of low-pressure steam - lift, kWh/t, COP and steam cost against boilers
Electric compression of low-pressure waste steam to a useful pressure: saturation lift (IAPWS-IF97), kWh per tonne and COP on the DOE method, installed CAPEX on the TNO/Klop scale law, and the steam cost in EUR/t against gas and electric boilers, with the CO2 avoided.
Energy mass balanceCosting+1OtherOpen Jack11
Based on EHB 2020 / Brun (Elliott) 2022Hydrogen-ready centrifugal pipeline compressor (natural gas to 100 % H2)
Electric-driven centrifugal recompression station on a gas transmission line, for natural gas, H2 blends or pure hydrogen: blend properties, polytropic head, number of impellers and casings, gas and energy flow at rated power, compression energy as a share of the energy carried, and a compression service cost per MWh (LHV) from the European Hydrogen Backbone 2020 cost data.
Energy mass balanceCostingGas & steam turbinesOpen Jack5
Based on NREL 2014 / DOE 9013 / NISTHydrogen diaphragm compressor for 350/700 bar refuelling
One diaphragm compressor at a 350 or 700 bar station (20-200 bar suction, 450-950 bar discharge): stage count under a per-stage ratio limit, real-gas isentropic work with the NIST compressibility equation, specific energy and absorbed power, heat to the coolers, N+1 availability, installed CAPEX from NREL 2014 vendor quotes on a 0.66 law or a customized figure, and the levelized cost of compression in EUR/kg.
Energy mass balanceCostingHydrogenOpen Jack8
Based on PNNL 2022 / Energy Vault RudongGravity energy storage (lifted solid masses in a tower or mine shaft): round-trip efficiency, cycling and LCOS
Solid masses lifted by motor-generators in a tower (Energy Vault EVx) or a mine shaft (Gravitricity), from 1 to 1,000 MWh: lifted mass from E = m g h, LCOS in EUR/MWh returned on PNNL 2022 developer costs or on the Rudong as-built investment, with a sourced-domain indicator.
Energy mass balanceCosting+1StorageOpen Jack6
Based on NREL GETEM / Kullick 2017Geothermal production pump (ESP or lineshaft)
Production pump of a deep geothermal doublet, 10 to 1,500 m3/h of brine: anti-flash setting depth, total dynamic head, electrical power, parasitic load and pumping cost per MWh of heat, with the NREL GETEM cost law and 1-2 year ESP run lives.
CostingEnergy mass balance+1GeothermalOpen Jack141
Based on Jasper & El-Halwagi 2015Fixed-bed methanol-to-propylene (MTP) front end for MtJ
Lurgi-type MTP: DME pre-reactor and fixed-bed ZSM-5 reactors with a swing reactor in regeneration. Gives propylene, gasoline and reaction water, the reactor count including the spare, the fixed capital from the single open anchor (Jasper 2015) and the levelised cost of propylene from e-methanol.
CostingEnergy mass balance+1E-fuelsOpen Jack6
Based on PNNL-18481 / NREL / NZICFixed-bed methanol-to-gasoline (MTG) co-product unit
Mobil fixed-bed MTG as at Motunui: gasoline, LPG and fuel gas per tonne of methanol, recycle compressor power, reaction heat, installed CAPEX and levelised cost of gasoline, on three sourced product slates or your own quote.
Energy mass balanceCosting+1E-fuelsOpen Jack5
Based on Kreutz 2008 / DOE 2006Fischer-Tropsch syncrude separation and fractionation
LTFT syncrude split into tail gas, e-naphtha, e-kerosene, e-diesel and wax for the hydrocracker by Anderson-Schulz-Flory cuts, with reaction water, reboiler duty from the DOE refinery bandwidth, Kreutz 2008 cost law and separation cost per t.
Energy mass balanceCosting+1E-fuelsOpen Jack7
Based on EWI 2024 / Hampp 2023 / Chalmers 2026E-methanol maritime import chain to an MtJ site
Sea leg of an e-methanol supply to a Methanol-to-Jet plant: export and import tank farms plus a chartered tanker shuttle. Fleet size and calls, bunker fuel and its well-to-wake CO2, delivered transport cost in EUR/t and EUR/MWh, and the e_td term for the carbon intensity. Sized in kt/a of methanol delivered.
CostingEnergy mass balance+2E-fuelsOpen Jack8
Based on McCollum & Ogden 2006Integrally geared CO2 compressor for CCS
Compression of captured CO2 from about 1 bar to 110-150 bar dense phase, 50 to 10,000 t/d: stage-by-stage power with intercooling, dense-phase pump, trains, and cost per tonne from McCollum & Ogden, cross-checked against an 8-stage integrally geared design.
CostingEnergy mass balanceCarbon captureOpen Jack8