Waste to Energy

Waste to energy power plants, alternative fuels, biofuels,

Nordic Nations Provide Clean Energy Leadership
Nordic Nations Provide Clean Energy Leadership

In the past few years, nuclear concerns, rising oil prices, and a growing understanding of our environmental impact has given energy issues a higher profile worldwide. In this report on…



Chart a New Course
Chart a New Course

I examined the magnitude of electricity subsidies for renewables compared with conventional generation technologies in my May 2011 editorial, based on data from a 2008 report prepared by the U.S.…


Who Pays for Firming Up Variable Energy Resources?
Who Pays for Firming Up Variable Energy Resources?

The major economic hurdle for renewable power generation technologies continues to be substantial installation costs. But another cost is associated with continuous load-balancing, made possible by backstopping that variable generation…


Utilities Increase Renewable Energy Capacity
Utilities Increase Renewable Energy Capacity

Driven by state RPS requirements and the desire to diversify their energy sources, U.S. utilities continue to add more renewable power to their generation portfolios. As a result, they must…


Spain: A Renewable Kingdom
Spain: A Renewable Kingdom

Spain has served as both exemplar and scapegoat when it comes to renewable energy policy. Though power policy must necessarily accommodate specific national resources and goals, Spain’s experience as an…


Biomass Cofiring: A Promising New Generation Option
Biomass Cofiring: A Promising New Generation Option

Biomass cofiring has the potential to cut emissions from coal-fueled generation without substantially increasing costs or infrastructure investments. Research shows that when implemented at relatively low biomass-to-coal ratios, energy consumption,…


Designing Fuel Systems for Large Biomass Plants
Designing Fuel Systems for Large Biomass Plants

Compared with other solid fuel–fired plants, the systems and components required for handling and processing biomass appear quite familiar, but important fuel differences must be considered. A successful biomass plant…