Tandem perovskite-silicon panels are moving from lab records to pilot production lines, and the race to commercialize them is heating up.
Battery farms are no longer novelty projects, and the way they're being financed and operated is maturing fast.
Most of the ocean is too deep for fixed-bottom turbines, and floating platforms are opening that vast area to wind power.
While solar panels get the headlines, heat pumps are becoming the workhorse of home electrification.