Cheap natural gas a challenge for cogeneration plant

In 2006 when a Minnesota group announced a $60 million biomass cogeneration plant, spot prices for natural gas topped $13 per million Btu. By the time the power plant began operating in May 2009, they had plunged below $4. Operators say they’ve stayed viable by cutting costs and upgrading efficiency.

Green versus green and energy dilemmas

No alternative energy source is without its environmental costs. But as demand for power continues and as existing fossil-fuel and nuclear plants age, the truth is that the Great Lakes states need to aggressively explore alternatives.

Turtles vs. turbines

An Ontario court has ruled in favor of a wind turbine project that put environmental groups at odds with each other.
On one side are supporters of an alternative energy project. On the other are those favoring the protection of a threatened turtle species and fragile soil.