Gundersen Health System: Consolidated Services Center

Solutions

Gundersen is committed to exploring how each of its locations can become more energy independent, with the goals of improving the environment, lowering the cost of healthcare, and improving the health of the communities it serves. Gundersen set a goal of 50% reduction in energy use intensity (EUI) from the national median (76 down to 38). Gundersen Facility Operations are taking a two-pronged approach to the renovation in West Salem: 1) Increase the efficiency of the building as much as possible, and 2) enhance that efficiency with renewable energy options. By the end of the project, 70% of the building’s energy needs will be offset through conservation and onsite renewable generation. Efficiency efforts targeted the building envelope, lighting, and controls.

Phase 1 (main remodel)

A new 65-well geothermal system for warehouse climate control
New dock door seals to prevent air leaks and air curtains to limit intrusion of outside air
Ceiling fans for circulation
LED lighting
Building automation system
EUI after Phase I – 59

Phase 2

A 250 kW solar ground mount system located adjacent to the warehouse
A battery configured in a microgrid design so accompanying software can choose between the grid, a battery, or solar to power the building
EUI after Phase 2 – 38

Phase 3

Replacing conventional rooftop heating and cooling units serving the office area with geothermal-sourced heat pumps
Updating lighting in the two-story office area to LED with daylight controls
EUI after Phase 3 – 27

Based on data gathered during the design process, Gundersen expects an EUI reduction of 64%.

Gundersen Health System: Consolidated Services Center

ANNUAL ENERGY USE

(Source EUI)

ANNUAL ENERGY COST

ANNUAL WATER USE

ANNUAL WATER COST

ANNUAL PLANT ELECTRICITY USE

ANNUAL PLANT ELECTRICITY COST

IN BUILDING ENERGY USE

IN BUILDING ENERGY COST

ACROSS NETWORK USE

ACROSS NETWORK COST

ANNUAL EMISSIONS

USE

COST

Consolidated Services Center

Gundersen Health System: Consolidated Services Center

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