Providing Roofing & Solar Energy Service Since 1995

Commercial Project

Solar Energy for California Indian Museum in Santa Rosa, CA

The California Indian Museum was experiencing frequent power outages needed a battery system that could be charged with solar to keep them 100% operational.

Project Details

Objectives

The California Indian Museum was experiencing frequent power outages and they wanted to keep their operations open during the power outages. They wanted a battery system that could be charged with a solar system that kept them 100% operational. They also needed to get the project done to meet a grant deadline for the project.

About the Client

The California Indian Museum and Cultural Center culturally enriches and benefits the people of California and the general public by showcasing California Native Indian cultures.

Challenges

We encountered two main design issues with this project. First, there was a very old main electrical panel which only had a main switch instead of the standard main breaker. Therefore, we would have to find a main breaker that fit in the place of the switch which was impossible due to the age of the panel and the size of standard breakers. The second issue we had was the enclosure space constraints. There was not enough space to mount a new breaker in the main electrical panel so we would have to modify the existing gear and get the electrical gear recertified by UL. We were also on a tight budget because of the grant requirements so we had to get creative for a cost effective solution.

Simmitri’s Energy Solution

We replaced the main electrical panel switch with a custom made Electronic Motor Operated Breaker. This special breaker synchronizes with the isolation contactor and the SEL-745 Relay, which is an advanced piece of technology that helps protect and control power systems. We had to work with a major breaker manufacturer’s (Eaton) design team to customize this breaker to meet the specifications of the existing panel and our battery system. In addition due to the space constraints we had to replace the existing bus bars in the main electrical panel with flexible busbars. This is a very versatile product that allows us to bend the busbar to the connections and fit all the components inside the existing enclosure. We worked with a UL testing firm to get the design and eventually got everything recertified by UL. The battery system now works seamlessly with the solar system 24/7.

Project Photos

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