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”).

Exelon Corporation (EXC) earns a B this week, jumping up from last week’s grade of C. Exelon Corporation is a utility services holding company. For more information, get Portfolio Grader’s complete analysis of EXC stock.

This week, Hawaiian Electric Industries, Inc.’s (HE) ratings are up from a C last week to a B. Hawaiian Electric Industries, Inc. is a diversified holding company that delivers a variety of services to the people of Hawaii. The company also gets A’s in operating margin growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of HE stock.

Edenor SA Sponsored ADR Class B (EDN) is seeing ratings go up from a C last week to a B this week. Edenor SA Sponsored ADR Class B distributes and sells electricity in the north-eastern region of greater Buenos Aires. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of EDN stock.

This week, Companhia Energetica de Minas Gerais SA Sponsored ADR Pfd (CIG) pushes up from a C to a B rating. Companhia Energetica de Minas Gerais SA Sponsored ADR Pfd is engaged in the electric power transmission business, which consists of transporting electric power from the facilities where it is generated to the distribution networks for delivery to end users. The company also gets A’s in sales growth, earnings momentum, and free cash flow. For more information, get Portfolio Grader’s complete analysis of CIG 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.