How innovation drives the falling cost of solar energy

20. R&D Investment & Innovation in PV · 58:53 · Video: MIT OpenCourseWare · Watch at the source

In short: This lecture explores the economic and technical engines behind photovoltaic progress. It examines how R&D investments translate into lower costs and provides a framework for evaluating whether a new technology is actually viable.

Professor Tonio Buonassisi breaks down the PV technology life cycle, emphasizing how innovation acts as the primary driver for cost reduction through the 'learning curve.' The session compares distinct national models for renewable energy development across the United States, Japan, Germany, and China.

Beyond theory, the lecture provides a practical methodology for assessing new PV innovations. It teaches students how to apply core photovoltaic fundamentals to determine if a new technology can successfully compete in the global market.

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