Solar

Solar power technologies and projects: photovoltaic, concentrating solar, solar tower

Renewable contracts merit longer terms
Renewable contracts merit longer terms

The length of term allowed for power sales contracts is a critical determinant of the ability of states to meet their increasingly ambitious renewable power targets. Many utilities advocate limiting…



Bavaria Solarpark, Germany
Bavaria Solarpark, Germany

Germany has embraced renewable energy in general—and solar power in particular—like no other country in the world. The key driver of "green" generation in Germany has been the Renewable Energy…


Saguaro Solar Power Plant, Red Rock, Arizona
Saguaro Solar Power Plant, Red Rock, Arizona

Solar energy projects over the past few years have been predominantly based on photovoltaic (PV) cells. But given enough land and flat plate collectors, just about any size plant could…


Tapping the western sun

In an effort to tap the significant solar energy resources of New Mexico, Arizona, Nevada, California, Utah, Texas, and Colorado, the U.S. DOE will support efforts to install a total…


Big batteries blooming
Big batteries blooming

All interconnected transmission and distribution (T&D) grids have one thing in common: Their operators must continually dispatch generators to keep the network's supply and demand in balance at all times…


Roadmap for the all-electric warship

The United States Navy's interest in electric propulsion dates back to the launching of the 19,360-ton USS Jupiter (Figure 1) in August 1912. The Jupiter had a prototype electric propulsion…


A new player in backup power
A new player in backup power

There are many different types of fuel cells, and each has characteristics that make it more suitable than others for certain applications. For example, because molten carbonate fuel cells operate…


Renewable energy’s growing share
Renewable energy’s growing share

  Renewable power development will continue to grow in the U.S., with the nonhydro total reaching 53,121 MW by the end of 2016. So predicts a soon-to-be-released report from Boulder,…


Sun drives pistons and generator, GM
Sun drives pistons and generator, GM

  Sun drives pistons and generator Sandia National Laboratories is joining forces with Stirling Energy Systems Inc. (SES) of Phoenix to test and develop new solar dish-engine systems. Five new…


Promoting renewable exports

  Promoting renewable exports The DOE is not the only U.S. government department promoting renewable energy. Any U.S. energy firm or supplier looking to export its goods and services can…