Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link.

All three major indices are trading down today with the Dow Jones Industrial Average ( ^DJI) trading down 83 points (-0.5%) at 16,448 as of Tuesday, May 6, 2014, 12:55 PM ET. The NYSE advances/declines ratio sits at 1,223 issues advancing vs. 1,760 declining with 164 unchanged.

The Utilities sector currently is unchanged today versus the S&P 500, which is down 0.4%. Top gainers within the sector include CPFL Energy ( CPL), up 3.7%, Energy Company of Parana ( ELP), up 2.7%, Western Gas Equity Partners ( WGP), up 1.2% and Korea Electric Power ( KEP), up 0.8%.

TheStreet would like to highlight 3 stocks pushing the sector higher today:

3. Calpine ( CPN) is one of the companies pushing the Utilities sector higher today. As of noon trading, Calpine is up $0.26 (1.1%) to $23.15 on light volume. Thus far, 888,052 shares of Calpine exchanged hands as compared to its average daily volume of 3.9 million shares. The stock has ranged in price between $22.87-$23.19 after having opened the day at $22.91 as compared to the previous trading day's close of $22.89.

Calpine Corporation, a wholesale power generation company, owns and operates natural gas-fired and geothermal power plants in North America. It operates natural gas-fired combustion turbines and renewable geothermal conventional steam turbines. Calpine has a market cap of $9.6 billion and is part of the utilities industry. The company has a P/E ratio of 84.1, above the S&P 500 P/E ratio of 17.7. Shares are up 17.3% year-to-date as of the close of trading on Monday. Currently there are 6 analysts who rate Calpine a buy, no analysts rate it a sell, and 4 rate it a hold.

TheStreet Ratings rates Calpine as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, compelling growth in net income, good cash flow from operations, impressive record of earnings per share growth and increase in stock price during the past year. We feel these strengths outweigh the fact that the company has had generally high debt management risk by most measures that we evaluated. Get the full Calpine Ratings Report now.

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2. As of noon trading, NRG Energy ( NRG) is up $0.33 (1.0%) to $34.08 on heavy volume. Thus far, 4.2 million shares of NRG Energy exchanged hands as compared to its average daily volume of 3.6 million shares. The stock has ranged in price between $33.76-$34.55 after having opened the day at $34.14 as compared to the previous trading day's close of $33.75.

NRG Energy, Inc., together with its subsidiaries, operates as a power and energy company. The company is engaged in the ownership and operation of power generation facilities. NRG Energy has a market cap of $10.9 billion and is part of the utilities industry. Shares are up 17.5% year-to-date as of the close of trading on Monday. Currently there are 6 analysts who rate NRG Energy a buy, no analysts rate it a sell, and 1 rates it a hold.

TheStreet Ratings rates NRG Energy as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, good cash flow from operations and solid stock price performance. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and poor profit margins. Get the full NRG Energy Ratings Report now.

3x UPSIDE POTENTIAL: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.

1. As of noon trading, NextEra Energy ( NEE) is up $0.54 (0.6%) to $98.49 on average volume. Thus far, 980,735 shares of NextEra Energy exchanged hands as compared to its average daily volume of 2.1 million shares. The stock has ranged in price between $97.43-$98.67 after having opened the day at $97.90 as compared to the previous trading day's close of $97.95.

NextEra Energy, Inc., through its subsidiaries, generates, transmits, distributes, and sells electric energy in the United States and Canada. The company generates electricity from gas, oil, solar, coal, petroleum coke, and nuclear sources. NextEra Energy has a market cap of $42.7 billion and is part of the utilities industry. The company has a P/E ratio of 20.0, above the S&P 500 P/E ratio of 17.7. Shares are up 14.4% year-to-date as of the close of trading on Monday. Currently there are 12 analysts who rate NextEra Energy a buy, no analysts rate it a sell, and 3 rate it a hold.

TheStreet Ratings rates NextEra Energy as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, impressive record of earnings per share growth, notable return on equity and compelling growth in net income. We feel these strengths outweigh the fact that the company has had generally high debt management risk by most measures that we evaluated. Get the full NextEra Energy Ratings Report now.

3x UPSIDE POTENTIAL: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.

If you are interested in one of these 3 stocks, ETFs may be of interest. Investors who are bullish on the utilities sector could consider Utilities Select Sector SPDR ( XLU) while those bearish on the utilities sector could consider ProShares UltraShort Utilities ( SDP).

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