Switzerland-based global power giant ABB is investing $20m in the concentrating photovoltaics (CPV) start-up GreenVolts, furthering its interest in solar technology after it bought a share of Fresnel mirror firm Novatec Solar earlier this year.

ABB’s latest investment, though its venture capital wing ABB Technology Ventures, is part of a $35m round raised by GreenVolts.

For more Solar Photovoltaic news