Lloyd's penalty kick in the 69th minute went into the right side of the goal less than 10 minutes after Celia Sasic shot wide on a penalty kick for Germany.
Solo has posted five straight shutouts for the United States in the tournament. Kelley O'Hara came in off the bench and scored in the 85th minute, delighting the pro-American crowd.
The second-ranked United States will play the winner of Wednesday night's match in Edmonton between defending champion Japan, ranked No. 4, and sixth-ranked England. The final is set for Sunday at Vancouver's BC Place.
