N.J. Stat. § 48:2-29.5: Regulating deposits by customers to secure payment for services; interest on deposits

The board may adopt rules and regulations prescribing the terms and conditions under which public utilities may require the deposit of moneys to secure the payment by customers of such sums as may become due for services to be rendered and the conditions under which repayment of moneys deposited for such purpose shall be made.

The board may adopt rules and regulations prescribing the rate of interest that shall be credited or paid on moneys so deposited.