7x7x7: Design Energy Water is an innovative program by the Division of the State Architect that encouraged California school districts to develop long-range master plans that reduce energy and water consumption on campuses and improve the quality of educational spaces. The State Architect engages seven architectural firms to develop seven conceptual case studies that reduce school energy and water consumption and result in better learning environments on seven different types of campuses (six K-12 schools and a community college). The seven campuses are representative of typical building types from different eras constructed across California’s varied climate zones. The purpose and primary goal of this program is to enable all existing K-14 facilities to be zero energy by 2030.
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Case study about how the U.S. General Services Administration successfully renovated the historic Wayne N. Aspinall Federal Building and U.S. Courthouse. GSA’s goals were to preserve the building’s historic features, and achieve Zero Energy Building status. This case study provides an overview of how reducing plug load energy helped achieve the Zero Energy Building status.
Historic preservation and net zero energy performance may seem like opposing goals. But the modernization of the nearly 100-year-old Aspinall Federal Building and U.S. Courthouse demonstrates that it is possible to restore the former glory of a building's historic features and cut energy use in half. The building is approaching net zero energy and is expected to achieve that goal after controls adjustments and other measures.
This 17-page guide from the Rocky Mountain Institute and Johnson Controls recommends 8 steps to achieve net zero energy in existing buildings. Four case studies are used to illustrate the concepts.
Six-page case study of the Santiago High School Science Building and the Ralston Intermediate Building K: Multipurpose Room and Kitchen retrofits. These projects are classified by NBI as “ZE emerging”—they have a stated ZE goal, but their performance has not yet been verified with 12 months of energy use and generation data.
Four-page case study of the Los Osos Middle School zero energy retrofit, which is classified by NBI as “ZE emerging”—it has a stated
ZE goal, but its performance has not yet been verified with 12 months of energy use and generation data.
Six-page case study of Newcastle Elementary School ZE retrofit, which is classified by NBI as “ZE emerging”— it has a stated ZE goal, but its performance has not yet been verified with 12 months of energy use and generation data.
Website with information on what is anticipated to be the first
zero energy renovation of an existing building in the District
of Columbia. This building is one of the first in the United States to use sewer heat recovery (an energy technology that is more common in Europe.)