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Seasonal Energy Storage with Power-to-Methane Technology
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For a sustainable future, the need to use renewable sources to produce electricity is inevitable. Some of these sources—particularly the widely available solar power—are weather-dependent; therefore, utility-scale energy storage will be more and more important. These solar and wind power fluctuations range from minutes (passing cloud) to whole seasons (winter/summer differences). Short-term storage can be solved (at least theoretically) with batteries; however, seasonal storage—due to the amount of storable energy and the self-discharging of some storage methods—is still a challenge to be solved in the near future. We believe that biological Power-to-Methane technology—especially combined with biogas refinement—will be a significant player in the energy storage market within less than a decade. The technology produces high-purity methane, which can be considered—by using green energy and carbon dioxide of biological origin—as a Renewable Natural Gas, or RNG. The ease of storage and use of methane, as well as the effective carbon-freeness, can make it a competitor for batteries or hydrogen-based storage, especially for storage times exceeding several months.
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Keywords
- 100% renewable energy scenarios
- acetate
- biogas
- biomethanation
- biomethane
- biomethanization
- Competitiveness
- decarbonization
- disruptive technology
- eFuels
- electric fuels
- Energy Storage
- energy transition
- fed-batch reactor
- H2 and CO2 conversion
- History of engineering & technology
- Hungary
- Hydrogen
- hydrogen utilization
- innovation
- metagenome
- methanation
- Methane
- Methanothermobacter
- n/a
- P2F
- P2G
- P2M
- Power-to-Fuel
- power-to-gas
- power-to-hydrogen
- power-to-methane
- power-to-X
- Régulation
- seasonal energy storage
- sector coupling
- sectoral integration
- Starvation
- techno-economic assessment
- Technology, engineering, agriculture
- Technology: general issues
- thermophilic biogas
- wastewater treatment plants
Links
DOI: 10.3390/books978-3-0365-4890-6Editions