The Museo de la Electricidad covers the arrival and use of electricity in Lima, with displays that are most interesting when they connect technology to daily city life. It also preserves part of Barranco's tram history.
The restored tram is the memorable detail: it runs between the museum and the Museo de Osma along Avenida Pedro de Osma. The museum is a modest stop, but it pairs well with a walk through Barranco's old streets and galleries.