The grades of 3 Multi-Utilities stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

National Grid plc Sponsored ADR (NGG) shows solid improvement this week. The company’s rating rises from a C to a B. National Grid plc Sponsored ADR 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. The company also gets A’s in return on equity and free cash flow. For more information, get Portfolio Grader’s complete analysis of NGG stock.

This week, SCANA Corporation’s (SCG) ratings are up from a C last week to a B. SCANA Corporation is engaged in the generation and sale of electricity as well as in the purchase, sale and transportation of natural gas. The company also gets A’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of SCG stock.

Avista Corporation (AVA) boosts its rating from a C to a B this week. Avista Corporation is engaged in the generation, transmission, and distribution of energy and energy-related businesses. The company also gets A’s in earnings surprise. For more information, get Portfolio Grader’s complete analysis of AVA 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.