All three major indices are trading down today with the Dow Jones Industrial Average ( ^DJI) trading down 237 points (-1.4%) at 16,223 as of Monday, Aug. 24, 2015, 1:30 PM ET. The NYSE advances/declines ratio sits at 447 issues advancing vs. 2,727 declining with 57 unchanged.

The Utilities sector currently sits down 1.3% versus the S&P 500, which is down 1.1%. On the negative front, top decliners within the sector include Enersis ( ENI), down 3.0%, PG&E ( PCG), down 2.9%, American Electric Power ( AEP), down 2.1%, Edison International ( EIX), down 2.2% and Korea Electric Power ( KEP), down 1.3%.

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

3. AGL Resources ( GAS) is one of the companies pushing the Utilities sector higher today. As of noon trading, AGL Resources is up $13.53 (28.3%) to $61.39 on heavy volume. Thus far, 6.4 million shares of AGL Resources exchanged hands as compared to its average daily volume of 593,900 shares. The stock has ranged in price between $57.60-$63.37 after having opened the day at $60.55 as compared to the previous trading day's close of $47.86.

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AGL Resources Inc., an energy services holding company, distributes natural gas to residential, commercial, industrial, and government clients in Illinois, Georgia, Virginia, New Jersey, Florida, Tennessee, and Maryland. AGL Resources has a market cap of $5.9 billion and is part of the utilities industry. Shares are down 12.2% year-to-date as of the close of trading on Friday. Currently there is 1 analyst who rates AGL Resources a buy, no analysts rate it a sell, and 5 rate it a hold.

TheStreet Ratings rates AGL Resources as a buy. The company's strengths can be seen in multiple areas, such as its reasonable valuation levels and good cash flow from operations. We feel its strengths outweigh the fact that the company has had lackluster performance in the stock itself. Get the full AGL Resources Ratings Report now.

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2. As of noon trading, NRG Energy ( NRG) is up $0.51 (2.6%) to $20.09 on heavy volume. Thus far, 5.9 million shares of NRG Energy exchanged hands as compared to its average daily volume of 4.5 million shares. The stock has ranged in price between $19.03-$20.36 after having opened the day at $19.13 as compared to the previous trading day's close of $19.58.

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NRG Energy, Inc., together with its subsidiaries, operates as a power company. NRG Energy has a market cap of $6.9 billion and is part of the utilities industry. Shares are down 27.4% year-to-date as of the close of trading on Friday. Currently there are 6 analysts who rate NRG Energy a buy, no analysts rate it a sell, and none rate it a hold.

TheStreet Ratings rates NRG Energy as a hold. The company's strengths can be seen in multiple areas, such as its impressive record of earnings per share growth, compelling growth in net income and good cash flow from operations. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, generally higher debt management risk and poor profit margins. Get the full NRG Energy Ratings Report now.

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1. As of noon trading, Exelon ( EXC) is up $0.42 (1.3%) to $33.42 on heavy volume. Thus far, 11.3 million shares of Exelon exchanged hands as compared to its average daily volume of 7.4 million shares. The stock has ranged in price between $32.15-$33.54 after having opened the day at $32.66 as compared to the previous trading day's close of $33.00.

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Exelon Corporation, a utility services holding company, engages in the energy generation and delivery businesses in the United States. It owns electric generating facilities, such as nuclear, fossil, and hydroelectric generation facilities, as well as wind and solar photovoltaic facilities. Exelon has a market cap of $29.5 billion and is part of the utilities industry. Shares are down 11.0% year-to-date as of the close of trading on Friday. Currently there are 6 analysts who rate Exelon a buy, no analysts rate it a sell, and 7 rate it a hold.

TheStreet Ratings rates Exelon as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, attractive valuation levels, good cash flow from operations and compelling growth in net income. We feel its strengths outweigh the fact that the company has had generally high debt management risk by most measures that we evaluated. Get the full Exelon Ratings Report now.

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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).