
• 93 percent of electricity in Seattle comes from low carbon, low-
cost sources, like hydroelectricity
• Ships that use Seattle’s clean electricity instead of fossil fuels at
berth reduce CO
2
and air pollutants
– 2019: shore power use reduced about 2,900 metric tonnes of CO
2
– 2021: shore power use reduced about 1,700 metric tonnes of CO
2
– 2022: shore power use reduced about 2,200 metric tonnes of CO
2
• Cruise lines are demonstrating commitment to use shore power
at Terminal 91 with higher connection rates in recent years:
• At Pier 66, many ships are shore power-equipped and expect to
connect once a connection is available
Environmental Benefits and Successes
4
53%
62%
89%
97%
83%
2017 2018 2019 2020 2021 2022