Can hydrogen storage be integrated with rooftop photovoltaic systems?

This study focused on the modelling and optimization of hydrogen storage integrated with combined heat and power plants and rooftop photovoltaic systems in an energy system in central Sweden. Three different scenarios (S0–S2) were designed to investigate the impacts on the system flexibility and operational strategy.

What is hydrogen energy storage?

Hydrogen energy storage is classed as an electrochemical method, and is a promising option suitable for long-term seasonal storage of excess power generated by variable renewable resources. The surplus power is converted to hydrogen as an energy carrier, which can be further converted to methane or other synthetic fuels.

Does hydrogen storage provide a long-term power system based on renewable resources?

Many studies have been carried out to investigate the effect of hydrogen storage on a power system based on renewable resources, especially wind power. The potential of hydrogen for providing a long-term storage in different system architectures was evaluated by Lewandowska-Bernat et al. .

Can solar power a hydrogen production system?

To partially power this hydrogen production system using solar energy, it is essential to identify hot and cold currents. This allows for the integration of a solar system with a suitable heater if high thermal energy is necessary.

Should you invest in hydrogen energy stocks?

A look at some of the leading hydrogen energy stocks that investors should keep an eye on in the coming year. Hydrogen, while not easily found in an extractable form, is a cleaner source of energy than fossil fuels. Several companies are working hard to tap into the enormous promise of this potentially emission-free fuel.

How is hydrogen stored in a PV system?

Almost all of the stored hydrogen is from the conversion of excess power produced by the PV system. The maximum power import to the region in scenario S0 is 322 MW. The system supplies excess power over the studied period, which can be converted to hydrogen using an electrolyser and stored into the hydrogen tank.