A 1.3-megawatt high efficiency solar PV system provides 100% of the electricity demands at the Exploratorium. The design team for the Exploratorium in San Francisco included the Integral Group, EHDD, Page & Turnbull, and many other consultants. (Image courtesy The Exploratorium)

A 1.3-megawatt high efficiency solar PV system provides 100% of the electricity demands at the Exploratorium. The design team for the Exploratorium in San Francisco included the Integral Group, EHDD, Page & Turnbull, and many other consultants. (Image courtesy The Exploratorium)

A 1.3-megawatt high efficiency solar PV system provides 100% of the electricity demands at the Exploratorium in San Francisco. The design team for the Exploratorium includes the Integral Group, EHDD, Page & Turnbull, and many other consultants. (Image courtesy The Exploratorium)