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Fortnightly Magazine - May 2009

Reducing Lifecycle Expenditures

Total cost of ownership accounting optimizes long-term costs.

A large regional utility forfeited significant operating revenues after it replaced pulverizers at several of its coal-fired power plants. Because the replacement pulverizers were sized to operate at 100-percent capacity during operations using the coal typically procured by the utility, upgraded plants had to be derated following a change to lower BTU-rated fuel. If utility decision makers had used a total cost of ownership (TCO) framework, they could have avoided this situation.

Byline: 

Steven McCabe et al.

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Renewables and Carbon Markets

Allowance structures will influence project economics.

Carbon-reduction policies are being designed and implemented across the country. One common feature of these regulatory programs is a carbon cap-and-trade system—i.e., a carbon emissions market.

Byline: 

Fred Wellington

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Green Imagineering

Perception trumps reality at Florida ‘solar city.’

Once upon a time, a real estate developer dreamed of building a planned community. The developer, Syd Kitson, envisioned a “city of tomorrow™” in southwestern Florida, designed for efficiency, convenience and harmony with nature. Instead of driving cars everywhere, the 45,000 residents of Kitson’s Babcock Ranch would ride bikes to school, and walk to the cinema. They’d take a tram to visit friends in another hamlet, on the other side of a lush wildlife preserve.

Byline: 

Michael T. Burr, Editor-in-Chief

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