The solarthermal power plant AndaSol I has a rated output of 50 MW and can be operated with energy from its thermal storage for 7.5 hours during periods without sunshine. The plant produces approx.179 GWh per year and provides electricity for up to 200.000 people. The collector field of the plant covers a surface of 1,500 by 1,300 meters. The 7,488 individual collectors in the new cost-optimized design have together a collector surface of 510,000 m ². The collectors consist of a steel framework construction with attached curved glass mirrors.