Green Hydrogen Production Calculator
Discover how much hydrogen an electrolyzer can produce with our advanced technical simulation tool. Calculate green hydrogen production, energy consumption, required water electrolysis and renewable generation capacity for industrial renewable hydrogen projects.
This green hydrogen fuel calculator allows you to estimate real-world results for industrial electrolyzer plants, helping you assess the technical feasibility of green hydrogen production systems for mobility, industry and energy storage.
The results are based on standard parameters from the green hydrogen fuel industry and mathematical models applied to real water electrolyzer technologies.
Calculation modules
Green hydrogen production simulation through water electrolysis
* You can edit the value directly by clicking on it.
The higher the electrolyzer power, the greater the green hydrogen fuel production capacity.
How we tested an industrial electrolyzer for 1,000+ hours and the science behind safety
Electrolyzers and the power grid: how they interact
Frequently Asked Questions about Electrolyzers and Green Hydrogen:
What is green hydrogen?
If you wonder what green hydrogen is, it is a clean fuel produced through water electrolysis, separating hydrogen and oxygen using electricity from renewable sources.
The result is hydrogen as a fuel free of direct carbon emissions, considered one of the key solutions for industrial and energy decarbonization.
Where does green hydrogen come from?
Renewable hydrogen is obtained through a water electrolysis process carried out in hydrogen electrolyzers powered by renewable energy sources such as solar or wind power.
For this reason, green hydrogen fuel is considered a sustainable and strategic green fuel for the energy transition.
How much hydrogen does an electrolyzer produce?
Production capacity depends on:
- Electrolyzer type
- Installed power
- Technology used
- Renewable energy availability
A 10.5 MW industrial alkaline electrolyzer can produce approximately 4,582 kg of green hydrogen per day.
What are the applications of green hydrogen as a fuel?
Green hydrogen fuel helps reduce emissions in sectors that are difficult to electrify:
- Heavy mobility
- Chemical industry
- Green steel
- Fertilizers
- Energy storage
- Industrial green fuel
What is a hydrogen electrolyzer?
A hydrogen electrolyzer is equipment that uses electricity to separate water into hydrogen and oxygen through a water electrolysis process. When the electricity comes from renewable energy sources, the result is green hydrogen or renewable hydrogen.
What is an alkaline electrolyzer?
The alkaline electrolyzer is the most mature and widely used technology in industrial green hydrogen production projects. It stands out for its robustness, reliability and competitiveness for large-scale continuous production.
Industrial alkaline electrolyzers are commonly used in large-scale plants due to their operational stability and lower relative cost.
What is a PEM electrolyzer?
A PEM electrolyzer uses a proton exchange membrane and stands out for its high operational flexibility.
PEM electrolyzers are ideal for working with variable renewable energy sources such as solar or wind power thanks to their fast response capability.
What is an AEM electrolyzer?
The AEM electrolyzer is an emerging technology that combines characteristics of alkaline and PEM systems.
This type of hydrogen electrolyzer aims to reduce manufacturing costs while maintaining high efficiency levels.
What is water electrolysis?
Water electrolysis is the process by which an electric current separates water molecules into hydrogen and oxygen.
It is the technological basis of green hydrogen production.
How much water does green hydrogen production consume?
Green hydrogen production through electrolysis requires high-quality purified water.
Typically, between 9 and 11 liters of water are required per kilogram of hydrogen produced.
What is the difference between PEM and alkaline electrolyzers?
The alkaline electrolyzer is more competitive for continuous large-scale production.
The PEM electrolyzer offers greater flexibility and better integration with variable renewable energy sources.
Is green hydrogen a renewable fuel?
Yes. Green hydrogen as a fuel is a renewable energy carrier produced without direct CO₂ emissions, using renewable electricity and water electrolyzers.
If you need advanced simulations for real industrial electrolyzer projects, access our HTP Tool. You will be able to perform detailed analyses of:
- Green hydrogen production
- Water electrolysis
- Electrolyzer design
- Renewable integration
- Energy optimization
Hydrogen demand for green hydrogen vehicles
* You can edit the values directly by clicking on them.
How does a fuel cell convert hydrogen into electricity?
How does a hydrogen station work? H₂ refueling in 5 min
Frequently Asked Questions about hydrogen cars and H₂ mobility:
What is a hydrogen car?
A hydrogen car is a vehicle that uses hydrogen as an energy source to generate electricity through a fuel cell.
These hydrogen-powered vehicles produce zero direct emissions and represent one of the leading sustainable alternatives for the mobility of the future.
How do hydrogen fuel cell cars work?
Hydrogen fuel cell cars store hydrogen in pressurized tanks.
The fuel cell converts hydrogen into electricity to power the vehicle’s electric motor, without combustion and without polluting emissions.
What range does a hydrogen car have?
The range of hydrogen cars is comparable to that of traditional combustion vehicles.
A model such as the Toyota Mirai can exceed 600 km of range without refueling.
What is the Toyota Mirai hydrogen consumption?
The average Toyota Mirai consumption is around:
0.8 kg of hydrogen per 100 km.
This makes the hydrogen-powered Toyota Mirai one of the most efficient hydrogen vehicles available.
What are the benefits of green hydrogen for cars?
Green hydrogen for cars helps reduce CO₂ emissions and decrease dependence on fossil fuels.
Hydrogen vehicles can use fuel produced through electrolysis powered by renewable energy.
How is avoided fossil fuel consumption calculated?
The tool compares the hydrogen consumption of the selected vehicle with the average diesel consumption of an equivalent internal combustion vehicle.
This allows the estimation of avoided oil barrels and emissions reductions thanks to the use of green hydrogen vehicles.
What types of vehicles use hydrogen?
Currently there are:
- Hydrogen passenger cars
- Fuel cell buses
- Hydrogen trucks
- Industrial vehicles
- Logistics fleets powered by hydrogen
Brands such as Toyota and Hyundai are leading the development of hydrogen vehicles and renewable hydrogen mobility solutions.
How is avoided diesel calculated in a hydrogen fleet?
We compare the hydrogen consumption of the selected vehicle against the average diesel consumption of an equivalent internal combustion vehicle.
What real range does a fuel cell electric vehicle (FCEV) have?
It is comparable to traditional combustion vehicles. A passenger vehicle such as the Toyota Mirai exceeds 600 km, while a city bus can exceed 350 km without refueling.
If you want to delve deeper into the technical level of hydrogen mobility for vehicles, try our HTP Tool. You will be able to analyze:
- Car hydrogen consumption
- Hydrogen production for autos
- Hydrogen vehicle autonomy
- Energy costs
- Environmental impact
- Integration of green hydrogen in sustainable mobility
Solar panel and photovoltaic production calculator
Our solar panel calculator allows you to calculate how many photovoltaic panels you need to achieve a specific power output and estimate the energy generated by solar panels for industrial and green hydrogen projects.
This photovoltaic calculator is designed to help you calculate photovoltaic production, size solar panels, calculate solar panel power and estimate the energy consumption required for electrolysis and renewable production projects.
The tool uses real solar radiation, efficiency and energy loss parameters to perform fast and accurate photovoltaic energy calculations.
Frequently Asked Questions about Electrolysis:
How much electricity does a solar panel produce?
Energy production depends on:
- Panel power
- Available solar radiation
- Peak sun hours
- Temperature
- Orientation
- System efficiency
Currently, a 550 Wp industrial panel can generate several kWh per day depending on location and solar conditions.
How many kWh does a solar panel generate?
Solar panels can produce between:2 and 3 kWh per day per panel in optimized installations with good solar radiation.
How many kW do solar panels produce?
The total power depends on the number of installed panels.
For example:
- 910 solar panels rated at 550 Wp
- ≈ 500 kW of installed capacity
This calculation allows proper solar panel sizing and energy production estimation for a solar plant.
How do you calculate solar panels for an installation?
To calculate solar panels, you need to know:
- Installed power
- Target power
- Peak sun hours (PSH)
- Type of photovoltaic panel
- Energy losses
Our photovoltaic solar panel calculator automates this process.
What are Peak Sun Hours (PSH) and why are they important?
PSH is the unit used to measure available solar radiation. It is the key parameter for correctly sizing the plant and ensuring the energy required for the electrolyzer.
Correct PSH calculation is essential for:
- Calculating photovoltaic production
- Calculating solar panel kWh
- Calculating solar panel consumption
- Sizing solar installations
- Optimizing green hydrogen production
How much space do solar panels take up?
For a 1 MW industrial installation, between 5,000 and 7,000 m² are typically required, depending on panel efficiency (ranging from 400Wp to 700Wp)
Is the solar panel renewable?
Yes. Solar panels generate clean electricity using solar radiation as an energy source. Solar renewable energy from solar panels is one of the main technologies for accelerating the global energy transition.
How do solar panels contribute to the energy transition?
The use of solar panels for renewable energy reduces fossil fuel consumption and increases sustainable electricity production.
The integration of solar photovoltaics with electrolysis and green hydrogen is one of the foundations of the current energy transition for solar panels in industry and mobility.
If you want to explore photovoltaic production, solar energy calculations, renewable integration and solar-powered green hydrogen production projects in more detail, try our HTP Tool. To access, click here
Wind Energy and Wind Turbine Calculator
* You can edit the active time value directly by clicking on it.
Frequently Asked Questions about Wind Energy:
What is a wind turbine?
A wind turbine is a machine capable of transforming the kinetic energy of the wind into electricity.
Wind turbines use rotating blades to convert wind movement into renewable electrical energy.
How much energy does a wind turbine produce?
Wind turbine production depends on:
- Rated power
- Wind speed
- Capacity factor
- Location
- Technology used
A 3 MW onshore wind turbine can produce several GWh annually depending on the available wind resource.
What does "capacity factor" mean for a wind turbine?
It is the percentage of hours per year that the turbine generates energy at its maximum rated power based on the wind resources at the site.
Is domestic mini-wind viable for hydrogen production?
Yes, it is an efficient solution for decentralized self-consumption projects and small-scale generation.
Is wind energy renewable?
Yes. Renewable wind energy uses wind as an inexhaustible natural resource to generate clean and sustainable electricity.
Today, wind power generation is one of the most important technologies driving the global energy transition.
What is the difference between onshore and offshore wind energy?
Onshore wind energy is installed on land, while offshore wind energy is developed at sea through offshore wind farms.
Offshore wind allows for higher energy production thanks to stronger and more consistent winds.
Are there domestic wind turbines?
Yes. There are domestic wind turbine solutions, home wind generators, and small-scale systems for self-consumption.
Currently, you can find models such as:
- 220V domestic wind turbine
- 3000W domestic wind turbine
- 5000W wind generator
These are designed for small renewable energy installations.
What is wind energy used for?
Wind energy is used to:
- Generate renewable electricity
- Reduce pollutant emissions
- Power industrial processes
- Produce green hydrogen
- Supply clean energy to homes and businesses
If you want to explore wind energy production projects, onshore and offshore wind turbine analysis, hydrogen and wind integration or wind farm sizing for electrolysis and renewable production, try our HTP Tool. To access, click here
