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CPV Trackers: A Crucial Aspect of Project Success?

CPV Trackers: A Crucial Aspect of Project Success?

Tracking is crucial to concentrating photovoltaics (CPV), but can it enable the technology to earn a larger portion of the solar power sector? Key players in the trackers field tell us where the sector is focused, and how it is coping with the challenge of low-cost PV.
Geothermal Innovations, Part 1: Redesigning Reservoir Design from the Subsurface Up

Geothermal Innovations, Part 1: Redesigning Reservoir Design from the Subsurface Up

Large-scale projects for the production of geothermal energy begin, essentially, with a detailed study of rocks. As AltaRock Energy's President/Chief Technology Officer Susan Petty told GEA by email, technology improvements "are no substitute for a thorough understanding of geology." The process of gathering and analyzing data on geologic layers of Earth is a complicated dance buoyed in recent years by a focus on innovative research and development from industry experts and aided in part by federal incentives and loans.
Turbine Design: Environmentally Enhanced Turbines Allow for Safer Fish Passage

Turbine Design: Environmentally Enhanced Turbines Allow for Safer Fish Passage

The pressure to ensure safe fish passage and the health of tailrace waters has led federal agencies and turbine manufacturers to collaborate in improving the design of hydroelectric turbines. Early results are encouraging, showing a high potential to improve fish survival rates, turbine efficiency and downstream water quality.
Blooming Biofuel: How Algae Could Provide the Solution

Blooming Biofuel: How Algae Could Provide the Solution

In the years since the discovery of significant concentrations of lipids in certain species of algae, estimates for the potential of the single-cell water-borne plant have varied wildly. What is agreed is the substantial potential for algae to become a valuable resource in the portfolio of second generation biofuels. The tiny plants can produce at least 15 times more oil per hectare than alternatives like jatropha, rapeseed and palm, and are 20 times as productive as corn and soy. Today, high-end food supplements are still the main algal product, but some estimate their fuels could compete with petroleum at US$60 per barrel.
From PCs to PV: A profile of Ovshinsky electronics

From PCs to PV: A profile of Ovshinsky electronics

For the last 40 years, the Ovshinskys have been a leading name in the technology of amorphous and thin-film silicon, with technological developments impacting on everything from personal computers and roll-out photovoltaics to hybrid cars and hydrogen storage. Harvey Wasserman reviews the contribution and future plans from one of the pioneers of renewable energy technology.
From PCs to PV: A profile of Ovshinsky electronics

From PCs to PV: A profile of Ovshinsky electronics

For the last 40 years, the Ovshinskys have been a leading name in the technology of amorphous and thin-film silicon, with technological developments impacting on everything from personal computers and roll-out photovoltaics to hybrid cars and hydrogen storage.
City Power Play Report: Part 1 – Municipal Utilities

City Power Play Report: Part 1 – Municipal Utilities

Chattanooga, TN, is adding over $1 billion to its local economy in the next decade by implementing one of the most advanced smart grids and delivering the fastest internet service in the country with its municipal utility.
City Power Play Report: Part 1 – Municipal Utilities

City Power Play Report: Part 1 – Municipal Utilities

Chattanooga, TN, is adding over $1 billion to its local economy in the next decade by implementing one of the most advanced smart grids and delivering the fastest internet service in the country with its municipal utility.