Solar farm jeopardizes Warren Co.’s agricultural heritage, quality of life, residents say Updated May 10, 2021; Posted May 10, 2021 The site of Harmony Plains -- between River Road and Garrison Road in Harmony Township -- is where the township's Land Use Board approved a 600-acre solar project. Opponents say the project will impact soil for agriculture, diminish property values and destroy their quality of life. Facebook Share A New Jersey environmental group and two Harmony Township residents have filed suit against the township, saying its proposed 600-acre industrial solar project and electrical substation would impact soil for agriculture, diminish property values and destroy quality of life.