Distributed/decentrallized power generation vs. Regional power generation

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Discussion Overview

The discussion revolves around the concepts of "distributed/decentralized" power generation versus "regional power generation." Participants explore the definitions, implications, and applications of these terms, particularly in the context of nuclear power generation and small modular reactors.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants propose that "distributed generation" refers to electricity generation at medium/low voltage levels, while "decentralized generation" implies independent small-sized units.
  • Others argue that regional power generation is connected only to high voltage lines and may have different implications compared to distributed generation.
  • A participant raises a question about the relevance of small modular nuclear units, suggesting they could operate in local grids or independently in remote areas.
  • Concerns are expressed regarding the cost-effectiveness and environmental impact of installing small generators versus larger nuclear stations, particularly in relation to nuclear waste handling and security.
  • References are shared regarding the definition of "small" reactors and ongoing studies into offshore nuclear generation.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the definitions of distributed versus decentralized generation, nor on the implications of regional power generation. Multiple competing views remain regarding the effectiveness and practicality of small modular nuclear units compared to larger facilities.

Contextual Notes

Definitions of terms such as "distributed," "decentralized," and "regional" power generation may vary among participants. The discussion also highlights unresolved questions about the feasibility and economic implications of small nuclear reactors in specific contexts.

Who May Find This Useful

This discussion may be of interest to those studying power generation systems, energy policy, nuclear engineering, and the implications of decentralized energy solutions.

Jack8rkin
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Hello everyone!
Need help with understanding the terms "distributed/decentralized" vs. "regional power generation".
1. Is there any difference between the terms "distributed" and "decentralized" generation (of electricity)?
I thought "distributed" means generation of electricity on units joint in a grid, whereas "decentralized" means generating power on independed small-sized units.

2. Does the term "Regional power generation" exist at all?

Thank you
 
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It is my understanding that distributed generation is done on medium/low voltage levels. That is on a line (radial) with loads connected along the line (before and after the generator(s)). This can cause problems with voltage magnitude and protection of lines, among many other problems.

Regional power generation refers to generation connected (only) to high voltage lines/grid.

But there may be other definitions that is correct.
 
Thank you.
I do not know if I'm asking in the correct thread, but my question mostly relates to nuclear generation. There is such a tendency now that small-sized modular units are designed over the world and they are intended to operate either in local grids or individually (e.g. in off-shore oil rigs, or in remote regions whereto fuel is hard to deliver and nuclear generation becomes competitive).

Please, opinions are welcome!
 
My statement does not differentiate on what type of fuel used in generator.

I'm not familiar with small nuclear units, except at ships/sub. Although they are not "small" they either.

But if the transfer capacity of a tie-line between areas limits the loading in one remote area, then installing a generator unit without upgrading the line might be a effective measure (w.r.t. cost, environment e.g.).

But isn't nuclear waste handling and security very expensive? Thus 1 large station is more effective than 10 small?

Do you have a reference? Especially for offshore nuclear generation?
 
"Small" is just a term. It's used for reactors below 300 MW.
http://www.world-nuclear.org/info/inf33.html
Can't say much about off-shore generation. Just know that such possibilities are being studied.
 
http://www.wired.co.uk/news/archive/2011-01/21/deep-sea-fission
 
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