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Seattle Aquarium Solar-Assisted Hot Water System (Washington, USA)

Credits: ©2009 A & R Solar

The Seattle Aquarium unveiled Seattle’s first solar hot water demonstration project 16 June 2009, a system that will reduce the Aquarium’s use of natural gas by preheating water used in the second floor café. Installed with financial support from Seattle City Light and Puget Sound Energy, the five solar panels will shrink the Aquarium’s carbon footprint by 2.5 tons of CO2 each year, and teach the Aquarium’s 800,000 visitors about renewable energy sources. “Sustainable energy is linked to sustainable oceans,” Aquarium Director John Braden said. “Over 200 years of increasing CO2 emissions have carbonated the oceans and increased its acidity, threatening marine food webs, including plankton, shellfish, fish, birds, mammals and humans. With this solar project, we hope to provide a model of sustainability that can inspire our visitors and other zoos and aquariums to do what they can to take Climate Action Now.”


Seattle Aquarium Solar Hot Water Dusk

The Seattle Aquarium & Puget Sound at dusk, with solar hot water collectors at far right. In an on-going effort to rebuild a healthy Puget Sound and maintain green practices, the Seattle Aquarium installed flat-plate solar thermal collectors to heat water for the Aquarium Cafe. The system will offset about 2.5 tons of CO2 on an annual basis and serve as a public reminder for the viability of solar energy here in the Pacific Northwest. ©2009 A & R Solar

The solar hot water system cost about $28,000 to install. City Light and Puget Sound Energy each paid $11,630 with the Aquarium Society contributing $2,000 and the Aquarium paying $3,000.

“Seattle might be known as Rain City, but solar works in Seattle,” Seattle City Light Conservation Director Bob Balzar said. “This public-private partnership shows how renewable energy can help us meet our everyday needs while reducing our impact on the planet.”

This is the first solar hot water demonstration project in Seattle. Both utilities have installed numerous solar electric power systems in homes and schools in their service territories. PSE is also using a solar hot water system at its Skagit Service Center in Burlington.

“As a utility, we know that smart energy choices are a vital part of taking care of Puget Sound waters,” said Kimberly Harris, executive vice president and chief resource officer for PSE. “This solar hot water heating project demonstrates how new energy technologies can help preserve our region’s marine life.”

Signage at the Aquarium provides visitors with information about the project and how solar and other renewable energy could be used in their homes. An interactive display providing real-time data about the system’s performance is planned. City Light and Puget Sound Energy offer a variety of incentives for residents and businesses to install solar equipment and energy-saving features.

System Specifications:
Type: Solar Hot Water

Collector: Heliodyne Gobi408 Flat Plate

Size: (5) 4' x 8' Collectors

Storage: SuperStor Ultra 119 Gallon Stainless Steel Tank

Frame: 3" x 3" x 3/8" Aluminum Angle

Location: Seattle, WA


A and R Solar (Seattle, Washington, USA)

A & R Solar (Seattle, Washington, USA)