SunPower Corporation, with its head office in San Jose, California, develops, produces and distributes solar cells and solar modules which can be used in rooftop systems, power plants or off-grid applications. The company also manufactures optical devices for use in communications and medical technology. 

Strengths:

oekom research's rating system classifies this company as a Potential. A prerequisite for recognition as a Potential is that a significant proportion of turnover be earned from sustainable products and services, in this case in the area of renewable energies.

Weaknesses:

Since potentials are generally small and medium-sized companies, their management structures for social and environmental issues are often less well developed.

SunPower earns the bulk of its turnover from products and services in the area of solar technology. The company offers particularly efficient silicon-based solar cells, which have an outstandingly high degree of efficiency compared with the industry average.