NLR's interactive Low-Temperature Electrolysis CO2 Conversion Tool provides high-level techno-economic analysis capabilities for carbon dioxide (CO2) electrochemical conversion.

Users can conduct customized analysis, assessing the impacts of over 20 unique parameters in real time, spanning technical performance, scale and market cost inputs, and financial assumptions on carbon monoxide selling price.

Start a custom analysis below by entering data inputs. Or, go to the user guide for more information on how to use this tool.

Calculated Selling Price of Carbon Monoxide (CO)

Calculating...
CO 2 Source Net CO 2 Flowrate Low TempElectrolysis Two-PhaseSeparation Amine CO 2 Capture Pressure-SwingAdsorption kg/hr kg/hr CO 2 kg/hr CO kg/hr H 2 O kg/hr H 2 kg/hr CO 2 kg/hr CO kg/hr H 2 kg/hr Recycled H 2 O kg/hr H 2 O kg/hr CO 2 kg/hr CO kg/hr H 2 kg/hr Make Up DI H 2 O kg/hr Fresh CO 2 Added kg/hr O 2

Cost breakdown data reflects minimum selling price calculation methodology only.

CO2 Feedstock
Purchased Electricity
Variable O&M
Fixed O&M
Capital
Operating Expenses (OPEX)
Variable Operating Expenses (per year)
Electrolysis Electricity 
$?
Stack Replacement Cost
$?
CO2 Feedstock Cost
$?
DI Water Makeup Cost
$?
CO2 Recycle Electric Load
$?
CO2 Recycle Consumables
$?
CO2 Recycle Waste Disposal
$?
CO2 Recycle Cooling Water
$?
BOP Compression Electricity
$?
BOP Pump Electricity
$?
Cooling Water Utils
$?
PSA Sorbent Fill
$?
PSA Electric Load
$?
Total Variable Operating Expenses
$?
Fixed Operating Expenses
Labor
$?
Maintenance
$?
Property Taxes and Insurance
$?
Capital Expenses (CAPEX)
Equipment
Electrolyzer Cost
$?
Condenser
$?
Pressure Swing Adsorption Unit
$?
Recycle CO2 Compressor
$?
Recycle H2O Pump
$?
CO2 Recycle Unit
$?
Total Equipment Cost
$?
Total Installed Cost (TIC)
$?
Warehouse Cost
$?
Site Development
$?
Additional Piping
$?
Prorateable Expenses
$?
Field Expenses
$?
Home Office and Construction
$?
Project Contingency
$?
Other Costs (Startup, Permits, Etc.)
$?
Fixed Capital Investment (FCI)
$?
Land
$?
Working Capital
$?
Total Capital Investment
$?
Process InputsFlowrateEmissions FactorImpact
Materialskg/hrkg CO2e/kgkg CO2e/hr
Carbon Dioxide
Deionized Water
Iridium Oxide (Anode Metal)
Silver (Cathode Metal)
Titanium (Interconnect)
Ion Exchange Membrane
Monoethanol Amine
EnergykWh
Electricity (Electrolysis)
Electricity (Amine Regen)
Electricity (Compression)
Electricity (PSA)
Electricity (Other BOP)
SUM
Process Outputs
CO Product
H2 Product
Emissions / Product
 Electricity Mix Assumptions 
%
%
%
%
%
%
%
%
%
:  kg CO2e/kWh
%
TOTAL
Running simulation 0 of 300…
Chart Details
Current Density (mA/cm²)
Cell Voltage (volts)
 
                             
                             
                             
                             
                             
                             
                             
                             
                             
1000                              
                             
                             
                             
                             
                             

Chart Settings

Y Axis
X Axis

Chart Settings

100 – 10000

How to run a Monte Carlo analysis to calculate MSP distribution:

  1. Enter the number of iterations to run. (Default is 500; More is better.)
  2. Add or remove sensitivities. (At least one required.)
  3. Enter a min and max value for each sensitivity.
  4. Click the Run Simulations button.
Sensitivity
Min
Max
 

Data Inputs

Technical Performance

1.23 – 6.00 [Volts]
0 – 1000 [µV/hour]
1 – 100 [%]
50 – 2000 [mA/cm²]
1 – 100 [%]
5 – 100 [%]
5000 – 40000 [$/m²]
1 – 30 [% Initial CAPEX Cost]
0.5 – 10 [years]
90 – 100 [%]

Scale and Market

1000 – 200000 [kg/hr]
-100 – 1000 [$/tonne]
5 – 150 [$/MWh]
1 – 7 [$/kg]
0 – 0.1 [$/kg]

Economic Calculation

0 – 25 [%]
10 – 40 [years]
0 – 100 [%]
0 – 100 [%]
0 – 20 [%]
0 – 25 [%]
5 – 30 [years]
0 – 45 [%]
0 – 25 [%]

Developed by CO2RUe with funding from the U.S. Department of Energy.

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Last Updated July 10, 2026