Demand charge and dispatch decisions  

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(@gabriel-oliveira)
Trusted HOMER

In the KB I’ve found this article which states that demand charges in HOMER do not impact the dispatch decisions during simulation.

http://usersupport.homerenergy.com/customer/en/portal/articles/2189058-grid-demand-calculation

However, if I define a very expensive peak demand charge for 6pm, for example, the genset is dispatched at peak hour (please find a print attached), which is great.

Is the article outdated?

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Posted : June 3, 2017 11:30 pm
(@dhiwaakar)
Illustrious HOMER Admin

Hi Gabriel,

 

The dispatch decision is independent of the demand rate as mentioned in the knowledge base article. The generator being dispatched could be because of multiple reasons depending on your system. It could happen if you set a demand limit above which the generator is dispatched as an act of peak shaving. If I can have a look at your HOMER file, I might be able to give you a clearer answer. Thank you.

 

Best,

Dhiwaakar Rajasekaran

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Posted : June 19, 2017 11:32 am
  
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