These days his installations have become artworks in themselves.
The contractors running the island's installations have become more efficient, reducing payrolls and property usage.
By then Ms. Genger's installations had become so large that she had shifted away from climbing rope "because of its cost," she said.
Since the late 1970s, her photographs, films, and installations have become known for presenting realistic and authentic images of African Americans while confronting themes of race, gender, and class.
Many are discovered at international biennials and art fairs, and because these installations have become increasingly ambitious in scale and production, commercial dealers have been scrambling to make space to show them.
Over the last few weeks — as museumgoers have communed in the spaces or sometimes just stood at their edges, wondering if it was O.K. to walk on the art — the installations have become a strange mélange of sculpture, town-hall-debate stage, interactive artwork and glorified television lounge.
He also cautioned that, though the payback on expensive solar installations had become shorter -- about three and a half to five years in New Jersey -- most solar farms tended to be longer-term investments, using financing that could stretch 10 or 15 years and warranties for up to 25 years.
And her installations have become more elaborate: her most ambitious work to date, "teleco-soup," now representing Japan at the 2011 Venice Biennale (through Nov. 27), uses mirrors, curved walls and multiple-channel projections to give visitors the illusion that they are walking through a city subsumed by floodwaters, blossoming roses and fire.
But other solar installations have become realistic and practical alternatives as costs have receded with advanced applications, technologies and incentives.
