This part shall not restrict or limit the commission's power to disallow any expense as a charge to ratepayers which the commission finds to be unjust, unreasonable, excessive, unwarranted or imprudent pursuant to RSA 378: 5 and RSA 378:7.
N.H. Admin. Code § Puc 310.04
#6605, eff 10-21-97 (formerly Puc 311); ss by #8448, eff 10-18-05