The 28 solar startup deals in the fourth quarter of 2016 represented a two-year high, driven by declining prices and national pledges to renewable power.
Solar cell manufacturer Heliatek, based in Germany, raised a $47 million Series D round.
D.light, a producer of solar-powered products, raised $15 million in Series D financing in 2016 and an additional $5 million in January.
Among energy storage solutions, salt-water battery maker Aquion Energy raised $33 million in a Series F round.
Altogether, solar cell technology companies attracted the most investors.
Solar sidenote: Veterans make up nearly one in 10 solar workers in the U.S. The solar sector has committed to hiring 50,000 vets by 2020.
Photo credit: SolarReserve