The grades of 3 Multi-Utilities stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

This is a strong week for Consolidated Edison, Inc. (ED). The company’s rating climbs to A from the previous week’s B. Consolidated Edison, Inc. provides energy services to residential, commercial, industrial, and government customers in the United States. For more information, get Portfolio Grader’s complete analysis of ED stock.

NiSource Inc. (NI) is seeing ratings go up from a B last week to a A this week. NiSource Inc. is an energy holding company that provides customers with natural gas, electricity, and related products and services. The company also gets A’s in operating margin growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of NI stock.

MDU Resources Group, Inc. (MDU) earns a A this week, jumping up from last week’s grade of B. MDU Resources Group, Inc. mines, processes, and sells construction aggregates, produce and sell mix and supply liquid asphalt, and supply ready mixed concrete for use in most types of construction. The company also gets A’s in earnings growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of MDU stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.