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Robert Moses Niagara Power Plant

Exergy, Easy – Heavy Savings

By Energy Rant No Comments
Exergy is a sexy word (maybe only to energy nerds), but it represents a vital class of measures and opportunities as we sprint head-on into the game changer (cliché alert) that will be the post-gravy-train-of-lighting-retrofit-era of energy efficiency. Pay attention!Exergy, also known as availability, is the total useful energy that can be captured before a system comes into equilibrium with the surroundings. Equilibrium can be as simple as a mass coming to rest. Potential Energy Consider a hydropower plant. The potential energy is in the form of elevated water on one side, the reservoir, and a shallow stream for whitewater…
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Energy Efficiency Under Attack – Stalin Would be Proud?

By Energy Efficiency, Energy Rant 3 Comments
Last week I attended the Midwest Energy Efficiency Alliance’s (MEEA) annual meeting for its members in Chicago.  It was well worth my time and expense.  As one might guess, it featured sessions of accomplishments, organization metrics, and feedback sessions for improvement – what’s important to members.  I think many attendees would agree the premier session of the day was “Energy Efficiency Under Attack”, namely in the Midwest battleground states of Indiana and Ohio.  What an irony, as this has been the subject of a couple recent posts, The Case for Energy Efficiency – That Our Mothers Understand and Failing Energy…
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