Wartena started GELI in 2010 to tackle the emerging markets of storing renewable energy such as solar power and for managing electric car charging.

FORBES: Energy Storage: It's All About The Software

GELI, on the other hand, is building the operating software specifically for running energy storage equipment, and the operating system will enable batteries to perform many more tasks, Wartena said.

FORBES: Energy Storage: It's All About The Software

People linger delightedly at the Hotel Habitat by Enric Ruiz-Geli with Cloud 9 Acconci Studio and Ruy Ohtake, a miniature simulacrum of a proposed four-star hotel for Barcelona covered with a web of 5, 000 winking light-emitting diodes, or LEDS, powered by solar cells for a nighttime display of glowing colors.

WSJ: Spain's Extraordinary Building Boom