Summary

The technology cases presented above show that a significant increase in performance and reduction in cost is possible for parabolic trough solar thermal electric technologies as compared with the 1997 baseline technology case. Figur e 7 shows the relative impacts of the various cost reduction opportunities or performance improvements on the baseline system's levelized cost of energy. It is significant to note that the majority of the cost reduction opportunities do not require any significant technology development. Conversely, significant progress must be made in these non -technology areas if parabolic troughs are to be competitive with conventional power technologies and make an y significant market penetration.

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30 to 80 MW 25% Hybrid Tech. Div. GenCo Finance

80 to 320 MW Thermal Storage Solar Park Tax Equity

30 to 80 MW 25% Hybrid Tech. Div. GenCo Finance

80 to 320 MW Thermal Storage Solar Park Tax Equity

Figure 7. Cost reduction opportunities for parabolic trough plants.

Solar Stirling Engine Basics Explained

Solar Stirling Engine Basics Explained

The solar Stirling engine is progressively becoming a viable alternative to solar panels for its higher efficiency. Stirling engines might be the best way to harvest the power provided by the sun. This is an easy-to-understand explanation of how Stirling engines work, the different types, and why they are more efficient than steam engines.

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