This week, 4 Electric Utilities stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

ALLETE, Inc.’s (ALE) ratings are looking better this week, moving up to a B from last week’s C. ALLETE, Inc. generates, transmits, and distributes electric power in the United States. The company also gets A’s in sales growth and earnings surprise. For more information, get Portfolio Grader’s complete analysis of ALE stock.

This week, Eversource Energy (ES) pushes up from a C to a B rating. Eversource Energy provides technical services to the nuclear industry. For more information, get Portfolio Grader’s complete analysis of ES stock.

PPL Corporation (PPL) gets a higher grade this week, advancing from a C last week to a B. PPL Corporation is a utility holding company that generates and markets electricity. The company also gets A’s in operating margin growth and return on equity. For more information, get Portfolio Grader’s complete analysis of PPL stock.

Hawaiian Electric Industries, Inc. (HE) shows solid improvement this week. The company’s rating rises from a C to a B. Hawaiian Electric Industries, Inc. is a diversified holding company that delivers a variety of services to the people of Hawaii. For more information, get Portfolio Grader’s complete analysis of HE 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.