Seattle city has over of parkland. Seattle is located between the saltwater Puget Sound (an arm of the Pacific Ocean) to the west and Lake Washington to the east. The city's chief harbor, Elliott Bay, is part of Puget Sound, which makes the city an oceanic port. To the west, beyond Puget Sound, are the Kitsap Peninsula and Olympic Mountains on the Olympic Peninsula; to the east, beyond Lake Washington and the Eastside suburbs, are Lake Sammamish and the Cascade Range. Lake Washington's waters flow to Puget Sound through the Lake Washington Ship Canal (consisting of two man-made canals, Lake Union,
Electricity in the Puget Sound region are among the lowest in the nation at an average 7.6 cents per kilowatt-hour in 2016. Historically this has been due to the large supply from public utility-owned sources. Three investor-owned electric utilities in Washington (Avista (formerly Washington Water Power), PacifiCorp (formerly Pacific Power and Light Company), and Puget Sound Energy (PSE)) are regulated by the Washington Utilities and Transportation Commission (WUTC) which sets rates. Of the three only PSE operates in the Puget Sound area. Public utility districts are independent taxation and regulation authorities and are not regulated by WUTC. All Puget Sound counties except Pierce and King have