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PopularBiogas Feedstock Mix & BMP Potential (CH4/CO2/Digestate)
Estimate annual biomethane potential from a mixed feedstock inlet using TS (MS), VS (MV), BMP and biogas CH4 content; outputs biogas, CH4, CO2 and digestate quantity.
Biomass25 runs
PopularH2 Electrolyser
Screening-stage hydrogen electrolyser calculator with technology selector, nominal power and capacity factor; outputs hourly/annual H2, water feed, O2 co-product, CAPEX breakdown, and levelized cost of hydrogen (LCOH).
Hydrogen229 runs
PopularWater Treatment Screening Cost, Energy & Footprint
Screening-stage estimator for water treatment plant CAPEX/OPEX, electricity use, modular unit count, and plot footprint based on water source, end use, and flow.
Other85 runs
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Methanol-to-Olefin (MTO)
Pre-feasibility sizing, mass balance, utilities, plot space, and equipment-purchase CAPEX + OPEX for a methanol conversion unit producing olefin/hydrocarbon intermediates for downstream jet-fuel synthesis.
Equipment sizingCostingE-fuels
alexi20
Anaerobic Digestion (Biogas) Plant
Screening-stage sizing, levelized cost, and operational GHG intensity for an anaerobic digestion biogas unit (agricultural effluents/CIVE/bio-waste).
Carbon footprintEquipment sizing+1Biomassalexi19
PEM Fuel Cell Power Plant
Screening-stage model for a stationary containerized PEM fuel cell system to estimate hydrogen consumption, CAPEX/OPEX breakdown, and LCOE with an optional PSA purification package.
CostingHydrogenalexi49
Autothermal Reforming (ATR) Hydrogen Plant — Screening Mass Balance & Cost (NETL-aligned)
Screening-stage ATR hydrogen calculator with annual/daily mass & energy balance and CAPEX/OPEX to levelized cost of hydrogen (LCOH).
Energy mass balanceCostingHydrogenalexi122
Ethanol Storage (Unloading, Tanks, Transfer, Metering)
Pre-feasibility sizing and costing for a liquid ethanol receiving, storage and transfer asset delivering stable flow to a downstream unit, including tanks, pumping/metering, safety systems, plot space, losses and levelized handling cost.
Equipment sizingCostingE-fuelsalexi12
Biogas Feedstock Mix & BMP Potential (CH4/CO2/Digestate) (fork)
Estimate annual biomethane potential from a mixed feedstock inlet using TS (MS), VS (MV), BMP and biogas CH4 content; outputs biogas, CH4, CO2 and digestate quantity.
Energy mass balanceBiomass- Based on NREL / IEA-PVPS
PV inverter conversion, clipping and levelized cost
Turns a PV inverter datasheet into AC energy delivered, conversion and clipping losses, and the levelized cost of the conversion step.
Energy mass balanceCostingSolar - Based on FCH 2 JU / Clean Hydrogen Partnership MAWP KPIs; US DOE stationary CHP targets; IEA Global Hydrogen Review 2024
PEM fuel cell CHP (H2 to power + heat)
Techno-economic screening of a PEM fuel cell cogeneration system: electricity, recovered heat, H2 consumption and electricity-only LCOE from a hydrogen feed.
Energy mass balanceCostingHydrogen - Based on IEA Global Hydrogen Review 2024 — Assumptions annex
PEM 20 MW Germany 2024
PEM water electrolyser, 20 MW, grounded on EU/IEA/IRENA/DOE 2024 techno-economics for Germany.
Energy mass balanceCostingHydrogen H2 Electrolyser
Screening-stage hydrogen electrolyser calculator with technology selector, nominal power and capacity factor; outputs hourly/annual H2, water feed, O2 co-product, CAPEX breakdown, and levelized cost of hydrogen (LCOH).
Energy mass balanceCostingHydrogenalexi229- Based on Fraunhofer ISE / NREL
PV module yield & levelized cost (module-level)
Turns a PV module datasheet into annual yield, degradation-adjusted lifetime energy and levelized cost.
Energy mass balanceCostingSolar 
CSP Plant Surface, Cost Breakdown & LCOE Calculator (DNI-based)
Screening-level CSP (solar thermal) sizing and economics from DNI, capacity factor, plant MW, and thermal storage duration, with CSP type selection.
Energy mass balanceEquipment sizing+1Solaralexi33
Based on Goetz et al. 2016 (Renewable Energy); Frontiers in Energy Research 2021; IRENA; IEACO2 methanation (Sabatier, power-to-gas)
Screening synthetic natural gas (SNG) output and levelized cost (EUR/MWh) for catalytic CO2 methanation from green hydrogen and captured CO2.
Energy mass balanceCostingHydrogenBiogas Feedstock Mix & BMP Potential (CH4/CO2/Digestate)
Estimate annual biomethane potential from a mixed feedstock inlet using TS (MS), VS (MV), BMP and biogas CH4 content; outputs biogas, CH4, CO2 and digestate quantity.
Energy mass balanceBiomassalexi25- Based on Stolzenburg et al., Efficient Liquefaction of Hydrogen: Results of the IDEALHY Project (2013); DOE Hydrogen and Fuel Cells Program Record 19001 (2019).
Hydrogen liquefaction
Screening of specific liquefaction energy and levelized cost of liquefaction (EUR/kg) for turning gaseous H2 into LH2 at -253 C.
Energy mass balanceCostingHydrogen - Based on Argonne National Laboratory (Papadias, Peng, Ahluwalia 2021, OSTI 1807903) — Hydrogen carriers: toluene hydrogenation techno-economics; Wikipedia LOHC; Chiyoda SPERA.
LOHC hydrogenation (toluene to MCH)
Screening reaction energy and levelized cost (EUR/kg H2) of binding hydrogen into a toluene/methylcyclohexane liquid organic carrier for ambient-condition transport (hydrogenation leg only).
Energy mass balanceCostingHydrogen - Based on DOE Hydrogen Program Records 20007 (Delivery & Dispensing Cost, HDSAM) and 21002 (Fueling Station Cost); cross-checked vs E3S 312/07010 HRS cost model
Hydrogen refuelling station (HRS)
Screening levelized cost of dispensing (EUR/kg) at a 350/700 bar hydrogen refuelling station fed with delivered H2.
CostingEnergy mass balanceHydrogen - Based on IRENA (2022) Innovation Outlook: Renewable Ammonia; C-THRU Ammonia Technical Brief (2022)
Green ammonia synthesis (Haber-Bosch)
Techno-economic screening of an electrified Haber-Bosch ammonia plant fed by green hydrogen and ASU nitrogen.
Energy mass balanceCostingHydrogen - Based on IEA Bioenergy Task 33 — Biomass gasification for hydrogen production (Feb 2025).
Biomass gasification to hydrogen
Screening of hydrogen yield (kg/t biomass) and levelized cost (EUR/kg) from thermochemical biomass gasification + water-gas shift.
Energy mass balanceCostingHydrogen - Based on Argonne National Laboratory / US DOE (Papadias & Ahluwalia); FZ Julich (Caglayan et al.); EWI
Underground H2 storage (salt cavern)
Screening levelized cost of storage (LCOS) for hydrogen in solution-mined salt caverns: working capacity, annual throughput, injection energy and EUR/kg storage cost.
Equipment sizingEnergy mass balance+1Hydrogen Water Treatment Screening Cost, Energy & Footprint
Screening-stage estimator for water treatment plant CAPEX/OPEX, electricity use, modular unit count, and plot footprint based on water source, end use, and flow.
CostingEquipment sizing+1Otheralexi85
Ethanol-to-Olefins (ETO) Front-End Unit
Screening model for an ethanol drying + vaporisation + catalytic dehydration unit producing light olefins for downstream jet-fuel synthesis, including mass balance, utility demands, plot space, and scaled CAPEX/OPEX with levelized cost.
Energy mass balanceEquipment sizing+1E-fuelsalexi18
ATR Hydrogen (Grey/Blue)
ATR hydrogen calculator estimating annual production, fuel/electricity use, CO2 (with/without CCS), and levelized cost of hydrogen (LCOH) using a simple scaling CAPEX + CRF cost model.
Energy mass balanceCostingHydrogenalexi125
Light Olefin Oligomerisation to Jet-Range Hydrocarbons
Screening-level sizing and cost model for a catalytic oligomerisation unit converting light olefins to jet-range (kerosene-range) hydrocarbons, including recycle of light ends, primary separation, utilities, and equipment-purchase CAPEX with scaling curves.
Equipment sizingCostingE-fuels
