25 Pa. Code § 963.14
(b) In determining whether a grant should be offered, and, if so, what proportion of the financial assistance offered should constitute a grant and what portion should constitute a loan, the Board will consider the ultimate effect that financing a project’s costs will have on the rates that customers will have to pay. A rate increase will be compared with local incomes and ability to pay in assessing the need for a grant. In doing this assessment, the Board may consider factors including, but not limited to, the following: