On solar trough technology from NREL

[kristopher]

Information on existing plants:
http://www.nrel.gov/csp/troughnet/power_plant_data.html

Parabolic Trough Power Plant Market, Economic Assessment and Deployment


Parabolic trough technology is the most commercially mature, large-scale solar power technology in the world. Here's an overview of how to assess the market and economic feasibility of a parabolic trough power plant.
Parabolic trough power plant market and economic assessment includes:

* Market overview
* Solar resource assessment and siting
* Cost reduction opportunities
* Financing, incentives and barriers
* Economic and environmental benefits
* Market development and deployment initiatives

For more detailed, technical information, see...
http://www.nrel.gov/csp/troughnet/market_economic_assess.html

There is a lot more search 'solar trough'