On July 7, a powerful wind storm affected a large portion of central North America and caused power outages for about one million customers from Iowa to Ontario. On October 17, the 1989 Loma Prieta earthquake knocked out power to about 1.4 million customers in Northern California, mainly due to damaged electrical substations. On March 13, the March 1989 geomagnetic storm caused the Hydro-Québec power failure which left seven million people in the Canadian province of Quebec without power for over nine hours. The storm caused a domino effect of power outages throughout the Southeast of England. On October 16, the Great Storm of 1987 interrupted the High-Voltage Cross-Channel Link between the United Kingdom and France. Miami, Fort Lauderdale, West Palm Beach, and the Florida Keys lost power for about 3.5 hours. On May 17, most of South Florida was blacked out after a brush fire in the Everglades damaged overhead transmission lines. This affected about 4.5 million people in the more densely populated southern half of Sweden. On December 27, two-thirds of the Swedish network was shut down when a single component in a switching station failed, causing a short circuit in a transformer. Total loss of 12,530 MW affected approximately five million people on the west coast. On December 22, a transmission tower near Tracy, California collapsed onto an adjacent tower bringing down two 500-kV lines and a pair of 230-kV lines that passed underneath the 500-kV right of way. 1.5 million people lost power, in almost all of Utah, as well as parts of southeastern Idaho and southwestern Wyoming. On January 8, prisoners on a work assignment burning trash and debris at the Utah State Prison in Draper, Utah, accidentally caused a major power failure when something they were burning exploded, causing a fireball that shorted out transmission lines above them. Power was restored to scattered rural areas within an hour and service was brought back to parts of Montreal and Quebec City within two hours it took several hours to fully restore power.
On September 20, a power outage covered almost the entire province of Quebec, affecting two million people, after a failure at the Montagnais Substation along a series of 735kV transmission lines connecting to the Churchill Falls Generating Station in Labrador. The power outage resulted in high instances of looting occurring over 26 hours. A second lightning strike caused the loss of two more overhead power lines, and the last power connection between New York City and the Northwest. It was a result of a transmission failure due to a lightning strike on power lines. On July 13–14 in New York City, 9 million people were affected by a power outage. On May 17, parts of South Florida were blacked out after a malfunctioning relay caused the Turkey Point Nuclear Generating Station in Miami to go offline. The subsequent investigations showed it had been caused by a human error. On May 10, a nationwide blackout that lasted 5 hours affected Romania, causing US$1 billion losses, larger than the earthquake that had hit the country on March 4. On July 4, a major power failure affected most of Utah and parts of Wyoming for 1.5 to 6 hours. The New York Daily News was also affected when the blackout caused their printing facility to halt operations.
At Grand Central Terminal power in the terminal was lost, but power on the tracks was retained because it runs on direct current. Several lines of the New York City IND and IRT subway lines were affected, stranding passengers. However, several Manhattan AM station studios were affected due to insufficient power backups. WCBS (AM)) in the Bronx, which was not affected by the blackout. AM radio stations were largely unaffected, as most of their transmitters were located in either Northern New Jersey (e.g. New York City television and FM radio stations that transmit from the Empire State Building were off the air. On the evening of February 2, power in parts of the New York City boroughs of Manhattan, The Bronx and Queens was lost following an explosion at Con Ed's Waterside power facility on 40th Street and 1st Avenue in Manhattan.
Lauderdale downtown areas were offline for almost two hours, with other areas dark for much longer periods. The outage affected more than 2 million people, and created a vast traffic jam. On August 5, a 50-mile (80 km) stretch of Florida's Gold Coast was hit with a general power failure after an explosion at the Cutler Ridge facility. On the evening of November 9, the Northeast blackout of 1965 affected portions of seven northeastern states in the United States and the province of Ontario in Canada. This method is a formula that multiplies the number of hours by the population affected and doesn't reflect the nominal time in hours that the outages lasted. 2019 Argentina, Paraguay and Uruguay blackout