Gas-fired Generation in a Transformed Energy Landscape
Demand for Gas-fired Generation Given the size, complexity, and lifetime of electricity systems, the grand transformation of the energy landscape will not happen
The natural gas pipeline network contains a large amount of pressure energy, and the technology of using natural gas residual pressure for power generation is of great significance for energy conservation and emission reduction.
In this paper, natural gas differential pressure generator sets are integrated from in the GIWS for differential pressure power generation, but a large amount of utilizable pressure energy also exists at the wellhead and wellsite.
Therefore, under the current operating conditions, it is recommended to use the double expansion differential pressure power generation technology to recycle the pressure energy of natural gas.
An optimization model of UGS integrated with differential pressure power generation is established. A framework for high solution efficiency is proposed. Validation of the model in a real case. Underground Gas Storage (UGS) is an important facility for natural gas peak adjustment and ensuring the balance between energy supply and demand.
In summary, natural gas differential pressure power generation technology is mature in theory and practical application, and the integration of differential pressure generator sets in UGS is theoretically feasible as well as operationally applicable. A summary of related research work on the optimization of UGS operation design is shown in Table 1.
The total electricity generated by the natural gas differential pressure power generator sets during the gas production period is about 47.718 × 10 6 kW h, equivalent to saving 19,087.3 kg of standard coal and reducing 12,979.3 tons of dust and 47,575.0 tons of CO 2 emissions.

Demand for Gas-fired Generation Given the size, complexity, and lifetime of electricity systems, the grand transformation of the energy landscape will not happen
Therefore, an evaluation method for residual pressure power generation technology is proposed, and key indicators such as output factor and operation coefficient are
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