1966: The Ferndale-area smelter begins operation as Intalco Aluminum Corp., owned by Alumax, Pechiney and Howmet.
October 1983: Union workers approve three-year contract, ending a two-week strike.
June 1998: Alcoa Inc. and Alumax merge, creating Alcoa Intalco Works.
May 2000: Alcoa executives consider building their own power plant to run Intalco, out of concern over rising energy rates.
May 2001: Unable to cope with high energy prices, Intalco temporarily closes the plant, keeps its employees, and sells its power back to Bonneville Power Administration to aid in the energy crisis. BPA pays for the wages and benefits of nearly all the workers, plus $1.75 million to cover Intalco’s tax burden.
May 2002: After being shut down for six months, the smelter reopens two potlines.
October 2003: Alcoa shuts down a potline because of high energy costs, cutting 200 jobs and leaving only one of three potlines in use.
June 2006: Alcoa becomes full owner, buying out remaining partners.
August 2006: Alcoa signs five-year power contract with BPA, ensuring work for its 450 employees.
February 2007: The smelter restarts its second potline, boosting employment to 575.
October 2008: BPA proposes long-term contract to power Intalco.
October/November 2008: In response to the recession and less demand for aluminum, the smelter institutes budget cuts, including cutting about 100 jobs.
July 2009: BPA and Intalco reach tentative agreement for enough low-cost power to run the plant at or near two-thirds capacity for seven years, guaranteeing at least 528 jobs.
September 2009: After an August court ruling restricting BPA’s authority to share power with Intalco, the July proposal appears to be in jeopardy.
December 2009: BPA approves a two-phase contract that guarantees enough power to keep 528 workers employed for 17 months. After that, BPA could offer five more years of power if courts approve and economic conditions permit.
October 2010: BPA agrees to short extension of its contract with Intalco, guaranteeing the smelter’s power supply through late May 2012.
January 2011: Alcoa announces the hiring of 60 more employees and an increase in production.
October 2011: Union workers vote to strike, but stay on the job while talks continue. After two weeks, workers accept revised contract offer.
December 2012: The plant signs 10-year power contract with BPA.
2013: The plant is at 80 percent capacity, with 2 1/2 of three potlines operating, producing about 230,000 metric tons of aluminum a year.
September 2015: Alcoa announces it is splitting into two companies. Intalco Works is put into the one focusing on upstream products, including aluminum, considered the weaker of the two.
October 2015: Union workers approve contract extension through March 2017.
November 2015: Alcoa announces it is idling smelter operations at its Ferndale and Wenatchee plants. The Ferndale shutdown affects more than 400 workers.
May 2016: Alcoa and BPA finalize contract amendment that keeps Intalco operating. The amendment lasts through Feb. 14, 2018; the 10-year contract itself runs until September 2022.
Aug. 13, 2016: Alcoa Intalco Works celebrates 50 years in operation at its annual employee summer picnic.