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New energy model offers transparency to let others replicate findings

Date:
August 27, 2013
Source:
North Carolina State University
Summary:
Computer models are used to inform policy decisions about energy, but existing models are generally "black boxes" that don't show how they work, making it impossible for anyone to replicate their findings. Researchers have developed a new open-source model and are sharing the data they put into it, to allow anyone to check their work -- an important advance given the environmental and economic impact of energy policy decisions.

Computer models are used to inform policy decisions about energy, but existing models are generally "black boxes" that don't show how they work, making it impossible for anyone to replicate their findings. Researchers from North Carolina State University have developed a new open-source model and are sharing the data they put into it, to allow anyone to check their work -- an important advance given the environmental and economic impact of energy policy decisions.

"Most models show you the math behind how they work, but don't share the source code that is supposed to implement that math -- so you can't tell how faithful the model is to the mathematics," says Dr. Joseph DeCarolis, an assistant professor of civil, construction and environmental engineering at NC State and co-author of a paper on the new model. "And the people utilizing existing models often don't share the data they use. So, in effect, you can't check their work.

"That's a problem, because the results of those models are informing policy decisions with billions of dollars on the line."

The new open-source model, called Temoa, is an energy economy optimization (EEO) model. EEO models are computer models that inform policy and industry decisions by offering insights into how energy costs and production are likely to change over time. For example, EEO models could be used to identify strategies that would drive down energy costs and reduce greenhouse gas emissions over the next 10, 20 or 30 years.

DeCarolis's team designed Temoa to be flexible, allowing users to look at any timeframe and on any scale, from a global model to a model of a single city. They also designed Temoa to be more rigorous than existing models when it comes to addressing uncertainty. Specifically, they plan to combine multiple forms of analysis to give policymakers more information on the potential impact of specific policy alternatives.


Story Source:

The above story is based on materials provided by North Carolina State University. Note: Materials may be edited for content and length.


Journal Reference:

  1. Kevin Hunter, Sarat Sreepathi, Joseph F. DeCarolis. Modeling for insight using Tools for Energy Model Optimization and Analysis (Temoa). Energy Economics, 2013; 40: 339 DOI: 10.1016/j.eneco.2013.07.014

Cite This Page:

North Carolina State University. "New energy model offers transparency to let others replicate findings." ScienceDaily. ScienceDaily, 27 August 2013. <www.sciencedaily.com/releases/2013/08/130827113124.htm>.
North Carolina State University. (2013, August 27). New energy model offers transparency to let others replicate findings. ScienceDaily. Retrieved July 25, 2014 from www.sciencedaily.com/releases/2013/08/130827113124.htm
North Carolina State University. "New energy model offers transparency to let others replicate findings." ScienceDaily. www.sciencedaily.com/releases/2013/08/130827113124.htm (accessed July 25, 2014).

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