Nationwide employment in the solar industry increased 25 percent last year, but solar employment in New Jersey fell 15 percent. There are still plenty of projects underway in the Garden State, but a slowdown may be on the way. You can see solar panels on many rooftops, utility poles, and in fields in New Jersey. There are 66,000 solar installations in the state that generate 2 gigawatts of electricity. And more are being put up. A solar field being constructed behind the Delaware Valley Regional