Three electrical equipment stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

Real Goods Solar, Inc. Class A (RGSE) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. In Portfolio Grader’s specific subcategories of Earnings Momentum and Sales Growth, RGSE also gets A’s. Shares of the stock have been trading at an exceptionally rapid pace, up fourfold from the week prior. For more information, get Portfolio Grader’s complete analysis of RGSE stock.

Capstone Turbine Corporation (CPST) gets a higher grade this week, advancing from a C last week to a B. Capstone Turbine is a developer, manufacturer, marketer, and service provider of microturbine technology solutions that are used in stationary distributed power generation applications. For more information, get Portfolio Grader’s complete analysis of CPST stock.

This week, PowerSecure International, Inc. (POWR) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. PowerSecure International provides energy management and conservation solutions to utilities and their commercial, institutional, and industrial customers. The stock price has risen 17.2% over the past month, better than the 1.7% decrease the S&P 500 has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of POWR 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.