This week, five diversified utilities stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

This week, Black Hills Corporation (BKH) is showing good progress as the company’s rating jumps from a B (“buy”) last week to an A (“strong buy”). Black Hills is an energy company engaged in electric utilities and gas utilities segments, non-regulated energy group comprises oil and gas, power generation, and non-regulated energy groups. In Portfolio Grader’s specific subcategories of Earnings Momentum and Margin Growth, BKH also gets A’s. For more information, get Portfolio Grader’s complete analysis of BKH stock.

DTE Energy Company (DTE) gets a higher grade this week, advancing from a B last week to an A. DTE Energy provides electricity and natural gas sales, distribution and storage services throughout southeastern Michigan. The current dividend yield is 2.6%. For more information, get Portfolio Grader’s complete analysis of DTE stock.

This week, Public Service Enterprise Group Incorporated (PEG) is showing significant improvement as the company’s rating hops from a C (“hold”) to a B (“buy”). Public Service Enterprise Group is a public utility holding company. For more information, get Portfolio Grader’s complete analysis of PEG stock.

This is a strong week for CenterPoint Energy, Inc. (CNP). The company’s rating climbs to B from the previous week’s C. CenterPoint Energy is a public utility holding company that operates electric transmission and distribution facilities, interstate pipelines, and facilities for gathering, processing, and treating natural gas. For more information, get Portfolio Grader’s complete analysis of CNP stock.

National Grid plc Sponsored ADR (NGG) earns a B this week, jumping up from last week’s grade of C. National Grid owns and operates the electricity transmission network in England and Wales, the gas transmission network in Great Britain, and electricity transmission networks in the Northeastern United States. At present, the stock has a dividend yield of 2.3%. For more information, get Portfolio Grader’s complete analysis of NGG 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.