Delaware · Senate Bill 59 · 153rd General Assembly

Public Utilities/Prudence Standard/Add

  1. Introduced Feb 21, 2025
  2. In committee Feb 21, 2025
  3. Passed the Senate Mar 20, 2025
  4. Passed the House Jun 26, 2025
  5. To the governor  
  6. Became law Jul 16, 2025

What it does

The legislature's own summary of the bill, or its official long title.

Public utilities are regulated monopolies. Practically speaking, a public utility has no competition in its service territory and, therefore, does not face the economic risks that a for-profit, non-utility company must face. By law, a public utility is authorized the opportunity to earn a reasonable rate of return on the costs it incurs in operating its business. Under the current Public Utilities Code, in…

Read the full title (298 words)

Public utilities are regulated monopolies. Practically speaking, a public utility has no competition in its service territory and, therefore, does not face the economic risks that a for-profit, non-utility company must face. By law, a public utility is authorized the opportunity to earn a reasonable rate of return on the costs it incurs in operating its business. Under the current Public Utilities Code, in determining the rates that public utilities may charge customers, the Delaware Public Service Commission must apply the “business judgment rule” standard in deciding which costs may be included in a utility’s rate base. Forty-eight (48) states in the United States apply the “prudence” standard when setting utility rates, not the "business judgement rule" standard that is applied in Delaware. The more costs that are included in rate base, the higher the rates that are charged to utility customers. Under the “business judgment rule” standard, the Public Service Commission may not disallow the inclusion of a cost in rate base, even though the cost was incurred imprudently. For example, a utility may decide to expand the size of its facilities, but overbuilds those facilities at a cost of $3 million, even though a smaller $1 million expansion would be adequate to serve its customers and anticipated future growth. Under the business judgment rule, the Public Service Commission is not able to deny recovery of any part of the cost of the expanded facility and it will be included in rate base. Consequently, customer utility bills have been increasing and could continue to increase significantly. Amending the Public Utility Code so that the “prudence” standard applies, would give the Public Service Commission the ability to deny, in whole or in part, certain expenses and costs, which can lead to less frequent and less impactful rate increases.

Every action

7 steps, oldest first, as the legislature records them.

  1. CommitteeIntroduced and Assigned to Environment, Energy & Transportation Committee in Senate · Senate Environment, Energy & Transportation
  2. CommitteeReported Out of Committee (Environment, Energy & Transportation) in Senate with 5 Favorable · Senate Environment, Energy & Transportation
  3. SenatePassed By Senate. Votes: 19 YES 2 ABSENT19–0 vote
  4. CommitteeAssigned to Natural Resources & Energy Committee in House · House Natural Resources & Energy
  5. CommitteeReported Out of Committee (Natural Resources & Energy) in House with 9 On Its Merits, 1 Unfavorable · House Natural Resources & Energy
  6. HousePassed By House. Votes: 39 YES 1 ABSENT 1 VACANT39–0 vote
  7. GovernorSigned by Governor

Roll calls

2 recorded votes: 2 on the floor, 0 in committee. Each shows how every member voted.

Sponsors

The member who introduced it, joined by 15 cosponsors: 13 Democrats, 2 Republicans.

All 15 cosponsors

From Delaware's official records (legis.delaware.gov), checked Nov 1, 2026. Text links go to the official versions; LegiList does not copy bill text.