Techniques for generating electric power for well site operations include processing a hydrocarbon fluid produced from a subterranean formation, through a wellbore, and to a terranean surface into at least one acid gas; processing the at least one acid gas into hydrogen; generating, with the hydrogen, electrical power from a hydrogen engine; and providing the generated electrical power for use or storage to power at least one electrically-operated machine to perform at least one well site operation.

According to at least one aspect, a hydrogen gas dispensing system is provided. The hydrogen gas dispensing system includes a source configured to provide a hydrogen gas, a storage device configured to store the hydrogen gas up to a first pressure level, a dispenser configured to dispense the hydrogen gas up to a second pressure level that is higher than the first pressure level, and a compressor configured to compress the hydrogen gas from the source up to the first pressure level for storage in the storage device and configured to compress the hydrogen gas from the storage device up to the second pressure level for dispensing via the dispenser. According to at least one aspect, the dispensing system comprises an input power port configured to receive input power and an output power port configured to deliver output power derived from the input power to charge an electric vehicle.

A power management system 1 comprises: a control unit 540 that performs high-temperature maintaining control maintaining a temperature of an SOFC 110 during an operation within a predetermined temperature range; and a specifying unit 530 that specifies a period during which the high-temperature maintaining control should be performed. The control unit 540 performs the high-temperature maintaining control in the period specified by the specifying unit 530.

The energy management method comprises a step of harvesting (E1) of an electrical energy from an energy source (1), notably from a renewable energy source and a step of distribution (E2) of the harvested electrical energy configured to be controlled in such a way as to, in a first configuration, inject at least a part of the harvested electrical energy into an electrical network (2), and, in a second configuration, inject at least a part of the harvested electrical energy into a processing system (3) configured in such a way as to store it in a tank (4). A step of control (E3) of the distribution of the electrical energy (E2) comprises a step of determination of a state of storage of the tank (4) and a step of determination of a time to delivery for at least a predetermined part of the content of the tank (4).

According to at least one aspect, a hydrogen gas dispensing system is provided. The hydrogen gas dispensing system includes a source configured to provide a hydrogen gas, a storage device configured to store the hydrogen gas up to a first pressure level, a dispenser configured to dispense the hydrogen gas up to a second pressure level that is higher than the first pressure level, and a compressor configured to compress the hydrogen gas from the source up to the first pressure level for storage in the storage device and configured to compress the hydrogen gas from the storage device up to the second pressure level for dispensing via the dispenser. According to at least one aspect, the dispensing system comprises an input power port configured to receive input power and an output power port configured to deliver output power derived from the input power to charge an electric vehicle.

Various embodiments of the present invention pertain to methods for biological production of hydrogen. More specifically, embodiments of the present invention pertain to a modular energy system and related methods for producing hydrogen using organic waste as a feed stock.

According to at least one aspect, a hydrogen gas dispensing system is provided. The hydrogen gas dispensing system includes a source configured to provide a hydrogen gas, a storage device configured to store the hydrogen gas up to a first pressure level, a dispenser configured to dispense the hydrogen gas up to a second pressure level that is higher than the first pressure level, and a compressor configured to compress the hydrogen gas from the source up to the first pressure level for storage in the storage device and configured to compress the hydrogen gas from the storage device up to the second pressure level for dispensing via the dispenser. According to at least one aspect, the dispensing system comprises an input power port configured to receive input power and an output power port configured to deliver output power derived from the input power to charge an electric vehicle.

A power plant system is provided having a high temperature battery, supplied with fluid via at least one supply line, for storing and releasing electrical energy, a gas turbine for generating electrical energy, and a heat exchanger which is designed to extract thermal energy from the exhaust stream of the gas turbine and transfer said thermal energy to the fluid, which fluid can be supplied after heat transfer to the high temperature battery via the at least one supply line.

An eco-friendly energy storage system for frequency regulation, includes: a water electrolysis apparatus and a hydrogen storage apparatus for performing discharge of surplus power for a power system; a fuel cell power generation apparatus for performing charge of deficiency power; and a control device for controlling charge and discharge by detecting a system frequency for controlling charge and discharge of the system, comparing the system frequency with a frequency reference value, and reflecting a frequency regulation amount calculated on the basis of a hydrogen storage amount of the system.

The invention relates to an installation (100) comprising: a power module having a fuel cell (12) and a reformer (14a), the fuel cell including a heat removal loop (24); and an absorption heat engine (40) having a first boiler (42), a condenser (46), an evaporator (48), and an absorber (50). According to the invention, a heat exchange circuit (42a) of the first boiler is inserted in the heat removal loop of the fuel cell. Furthermore, in the invention, the installation has a closed liquid circuit (10), which circuit comprises at least one heat exchanger (26, 28, 30, 32) having a heating circuit thermally coupled to the power module and a heated circuit inserted in said circulation circuit, said circulation circuit exchanging heat with said heating circuit, heating the liquid of the circulation circuit. Finally, in the invention, a heat exchange circuit (48a) of the evaporator is inserted in said closed liquid circulation circuit.