Here are three stocks with buy ranks and strong growth characteristics for investors to consider today, January 22:

Powell Industries, Inc. (POWL Quick QuotePOWL - Free Report) : This custom equipment manufacturer carries a Zacks Rank #1, and has witnessed the Zacks Consensus Estimate for its current year earnings increasing 35.1% over the last 60 days.

Powell Industries, Inc. Price and Consensus

Powell Industries, Inc. price-consensus-chart | Powell Industries, Inc. Quote

Powell Industries has a PEG ratio of 1.10 compared with 1.59 for the industry. The company possesses a Growth Score of A.

Powell Industries, Inc. PEG Ratio (TTM)

Powell Industries, Inc. peg-ratio-ttm | Powell Industries, Inc. Quote

NRG Energy, Inc. (NRG Quick QuoteNRG - Free Report) : This integrated power company carries a Zacks Rank #1, and has witnessed the Zacks Consensus Estimate for its current year earnings increasing 22% over the last 60 days.

NRG Energy, Inc. Price and Consensus

NRG Energy, Inc. price-consensus-chart | NRG Energy, Inc. Quote

NRG Energy has a PEG ratio of 0.61 compared with 1.81 for the industry. The company possesses a Growth Score of B.

NRG Energy, Inc. PEG Ratio (TTM)

NRG Energy, Inc. peg-ratio-ttm | NRG Energy, Inc. Quote

Heidelberg Materials AG : This building materials company carries a Zacks Rank #1, and has witnessed the Zacks Consensus Estimate for its current year earnings increasing 13.3% over the last 60 days.

Heidelberg Materials AG Unsponsored ADR Price and Consensus

Heidelberg Materials AG Unsponsored ADR price-consensus-chart | Heidelberg Materials AG Unsponsored ADR Quote

Heidelberg has a PEG ratio of 0.52 comparedwith 1.05 for the industry. The company possesses a Growth Score of A.

Heidelberg Materials AG Unsponsored ADR PEG Ratio (TTM)

Heidelberg Materials AG Unsponsored ADR peg-ratio-ttm | Heidelberg Materials AG Unsponsored ADR Quote

See the full list of top ranked stocks here.

Learn more about the Growth score and how it is calculated here.