A holding member of a solar cell array according to the present invention includes a first holding portion that holds a first side portion of a solar cell module and that extends along the first side portion, and a second holding portion that holds a second side portion and that extends along the second side portion. The first holding portion includes a covering portion, a first supporting portion, and a first side wall portion. The second holding portion includes a second supporting portion, a second side wall portion, an extending portion, and a pressing member.