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Ameresco > Case Studies > Sutter Santa Rosa Regional Hospital's Solar Energy Generation Project with Ameresco
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Sutter Santa Rosa Regional Hospital's Solar Energy Generation Project with Ameresco

Technology Category
  • Sensors - Environmental Sensors
  • Sensors - Utility Meters
Applicable Industries
  • Healthcare & Hospitals
  • Renewable Energy
Applicable Functions
  • Facility Management
Use Cases
  • Construction Management
  • Indoor Air Quality Monitoring
Services
  • System Integration
The Challenge
Sutter Santa Rosa Regional Hospital (SSRRH), a 84-bed acute-care facility and part of the Sutter Health network, was seeking ways to advance its sustainability initiative and optimize energy usage. The hospital, known as one of the greenest in Northern California, wanted to deepen its commitment to environmental stewardship through the use of renewable energy. The challenge was to find a solution that would not only generate clean, sustainable power but also benefit patients, employees, and the environment. The hospital also wanted to offset a significant portion of its overall electricity usage and reduce its carbon footprint.
About The Customer
Sutter Santa Rosa Regional Hospital is a 84-bed acute-care facility and part of the Sutter Health network, which is more than 60,000 people strong thanks to its integrated network of physicians, employees, and volunteers. The hospital is known as one of the greenest in Northern California and is dedicated to providing exceptional care that feels personal. From physician offices to hospitals to outpatient care centers and home services, Sutter Health supports the more than 3 million people in their care—nearly 1 percent of the U.S. population, in one of the most diverse and innovative regions in the world.
The Solution
Ameresco, Inc., a leading energy efficiency and renewable energy company, partnered with Sutter Health to install a 1.6 megawatt solar energy system at SSRRH. The solar photovoltaic (PV) arrays were installed at two sites on the SSRRH campus, including the hospital’s main parking lot and on the roof of the Bill and Elizabeth Shea House, a residence for families of hospitalized children. The solar panels are expected to generate more than 2.4 million kWh of electricity annually. In addition to the solar panel system, Ameresco replaced the hospital’s parking lot lighting fixtures with high-efficiency LEDs, which will generate additional energy cost savings for the hospital over time and create brighter, safer spaces on campus for patients, visitors, and employees.
Operational Impact
  • The installation of the solar panels and high-efficiency LEDs has not only helped SSRRH advance its sustainability initiative but also improved patient care. The eco-friendly energy source, along with the hospital’s green construction, recycling program, and water conservation, has deepened its commitment to a healthier community. The solar project has had a positive environmental and social impact on the surrounding community, contributing to better air quality and a lower carbon footprint. The high-efficiency LEDs have created brighter, safer spaces on campus for patients, visitors, and employees.
Quantitative Benefit
  • 40% of the hospital’s overall electricity usage is offset by the solar panels
  • The solar panels are expected to generate more than 2.4 million kWh of electricity annually
  • The hospital will avoid 1,725 metric tons of CO2 emissions annually

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