News Robyn, Swedish House Mafia, Zara Larsson and Tove Lo will all represent (photo: Marili Andre) San Francisco will again serve as the place to be for electronic music lovers this fall when the Portola festival returns to the city’s Pier 80 from Sept. 26-27. The bill is led by Robyn, Swedish House Mafia and the long-awaited return of DOG BLOOD — the Skrillex/Boys Noize side project making its first appearance under the moniker since 2019. Robyn’s headlining slot marks her only festival appearance of the year, arriving on the heels of her first album in eight years, Sexistential . Swedish House Mafia will make one of only two currently announced U.S. appearances in 2026, while Zara Larsson, Tove Lo and Soulwax round out what is essentially a Scandinavian takeover of the Bay. Elsewhere on the bill are Four Tet, Fatboy Slim, Groove Armada, Overmono, Kelela, Skepta, Parcels, SG Lewis, Daphni, Ben UFO, Prospa, Mochakk, horsegiirL, Marlon Hoffstadt.…