Embedded generation issues

Embedded generation issues

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Embedded generation (EG) is the term commonly used to describe generation connected to the distribution network as opposed to the transmission grid. They tend to be smaller in scale and may be linked into the provision of supplies locally. In the past, systems were developed locally often in conjunction with municipalities but advantage was seen in pooling energy sources through the grid. This opened up the opportunity for larger more efficient units to be built of up to 660 MW coupled to local fuel supplies like coal mines or gas pipelines. There were associated economies of scale in higher efficiencies with lower operating costs and fewer support staff. As a result of these developments, many of the distribution networks became passive, without active generation, and radial in structure taking supplies from grid supply points.

Chapter Contents:

  • 5.1 Cause of growth
  • 5.2 Network charges
  • 5.3 Impact on network management
  • 5.4 Industrial cogeneration complex
  • 5.5 Micro-CHP
  • 5.6 Diesel generation emissions
  • 5.7 Economic comparison of large-scale vs embedded
  • 5.8 EU perspective
  • 5.9 Distribution security
  • 5.10 Conclusions

Inspec keywords: power grids; distributed power generation; distribution networks

Other keywords: grid supply points; transmission grid; embedded generation; local fuel supplies; gas pipelines; coal mines; distribution network; power 660 MW; energy source pooling

Subjects: Distributed power generation

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