What's needed to derive maximum benefits from solar thermal based heating and power generation?

In discussions on solar energy, solar photovoltaic (PV) power generation captures the limelight most of the time. Solar thermal, which utilize the heat energy of sunlight, can provide both heat and power, and thus is an important source of clean energy and energy security for a range of end users - from individual residences to large industries. Here's the challenge: What are the innovations and solutions that will enable the world to derive maximum benefits from solar thermal energy?

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