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NRG vs. SO: NRG Energy vs. Southern Company Stock Comparison

How do NRG Energy (NRG) and Southern Company (SO) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.

Company Profile

NRG Energy (NRG) and Southern Company (SO) are both classified in the Electric Utilities sub-industry within the broader Electric Utilities industry, placing them in the closest GICS peer bucket.

Company profile comparison for NRG Energy (NRG) and Southern Company (SO)
Profile ItemNRGSO
NameNRG Energy, Inc.The Southern Company
Country/RegionUnited StatesUnited States
GICS SectorUtilitiesUtilities
GICS Industry GroupUtilitiesUtilities
GICS IndustryElectric UtilitiesElectric Utilities
GICS Sub-IndustryElectric UtilitiesElectric Utilities
Market Capitalization18.56 billion USD107.51 billion USD
CurrencyUSDUSD
ExchangeNYSENYSE
Listing DateDecember 2, 2003December 31, 1981
Security TypeCommon StockCommon Stock

Price Performance

Cumulative Growth

NRG
SO
GSPC
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NRG Energy (NRG) vs. Southern Company (SO), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

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Trailing total returns for NRG Energy (NRG) and Southern Company (SO). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for NRG Energy (NRG) and Southern Company (SO). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for NRG Energy (NRG) and Southern Company (SO)
MetricNRGSO
Total Return (1Y)-43.14%6.21%
Total Return (3Y, Annualized)31.18%15.28%
Total Return (5Y, Annualized)25.79%12.24%

Risk Profile

Drawdown History

NRG
SO
GSPC
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NRG Energy (NRG) vs. Southern Company (SO), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

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Distribution of monthly total returns for NRG Energy (NRG) and Southern Company (SO). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for NRG Energy (NRG) and Southern Company (SO)
MetricNRGSO
Volatility (1Y, Annualized)52.51%17.95%
Beta (5Y)1.200.30
Max Drawdown (5Y)-55.72%-23.28%
Avg. Volume (3M)3.15M6.19M

Risk-Adjusted Performance

Risk-Return Positioning

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NRG and SO are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for NRG Energy (NRG) and Southern Company (SO)
MetricNRGSO
Sharpe Ratio (1Y)-0.900.11
Sortino Ratio (1Y)-1.190.16

Profitability

ROE (TTM)

NRG Energy (NRG) at 23.77% clears its industry range for ROE, a sharper capital-efficiency signal than Southern Company (SO) at 11.90%, which is closer to a typical peer reading.

NRG

Utilities industry group

23.77%

NRG
23.77%
Max
17.99%
Q3
12.01%
Median
9.44%
Q1
7.56%
Min
2.17%

SO

Utilities industry group

11.90%

Max
17.99%
Q3
12.01%
SO
11.90%
Median
9.44%
Q1
7.56%
Min
2.17%
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their ROE against the Utilities industry group benchmark.

Net Margin (TTM)

Southern Company (SO) at 16.00% keeps about the industry-typical share of revenue as profit, while NRG Energy (NRG) at 2.56% retains only a bottom-quartile share.

NRG

Utilities industry group

2.56%

Max
28.78%
Q3
17.30%
Median
12.73%
Q1
9.18%
NRG
2.56%
Min
-0.20%

SO

Utilities industry group

16.00%

Max
28.78%
Q3
17.30%
SO
16.00%
Median
12.73%
Q1
9.18%
Min
-0.20%
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their net margin against the Utilities industry group benchmark.

Operating Margin (TTM)

Southern Company (SO) at 36.92% carries a top-quartile operating margin, while NRG Energy (NRG) at 12.77% operates in the bottom quartile.

NRG

Utilities industry group

12.77%

Max
53.83%
Q3
31.12%
Median
23.62%
Q1
15.45%
NRG
12.77%
Min
-4.90%

SO

Utilities industry group

36.92%

Max
53.83%
SO
36.92%
Q3
31.12%
Median
23.62%
Q1
15.45%
Min
-4.90%
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their operating margin against the Utilities industry group benchmark.

Profitability Metrics

Profitability metrics for NRG Energy (NRG) and Southern Company (SO)
MetricNRGSO
ROE (TTM)23.77%11.90%
ROA (TTM)4.06%3.36%
Net Margin (TTM)2.56%16.00%
Operating Margin (TTM)12.77%36.92%
Gross Margin (TTM)18.80%48.55%

Growth

Revenue Growth

Both NRG Energy (NRG) at 9.18% and Southern Company (SO) at 10.59% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their Revenue Growth across different time periods.

EPS Growth

Southern Company (SO) at -1.75% is around its peer norm for EPS growth, while NRG Energy (NRG) at -19.64% drops into the bottom quartile, signaling weaker earnings momentum.

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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for NRG Energy (NRG) and Southern Company (SO)
MetricNRGSO
Revenue Growth (YoY)9.18%10.59%
Revenue Growth (3Y CAGR)-0.88%0.31%
EPS Growth (YoY)-19.64%-1.75%
EPS Growth (3Y CAGR)-8.12%6.34%

Financial Strength

Current Ratio (MRQ)

Both NRG Energy (NRG) at 0.97 and Southern Company (SO) at 0.84 carry current ratio within their industries’ typical mid-ranges, suggesting balanced short-term liquidity relative to peers.

NRG

Utilities industry group

0.97

Max
1.90
Q3
1.17
NRG
0.97
Median
0.88
Q1
0.66
Min
0.29

SO

Utilities industry group

0.84

Max
1.90
Q3
1.17
Median
0.88
SO
0.84
Q1
0.66
Min
0.29
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their current ratio against the Utilities industry group benchmark.

Debt / Equity (MRQ)

Southern Company (SO) at 1.68 is near its industry mid-range for debt-to-equity ratio, while NRG Energy (NRG) at 4.83 sits above its benchmark range, pointing to a heavier debt load relative to equity.

NRG

Utilities industry group

4.83

NRG
4.83
Max
2.63
Q3
1.77
Median
1.35
Q1
0.84
Min
0.00

SO

Utilities industry group

1.68

Max
2.63
Q3
1.77
SO
1.68
Median
1.35
Q1
0.84
Min
0.00
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their debt-to-equity ratio against the Utilities industry group benchmark.

Financial Strength Metrics

Financial strength metrics for NRG Energy (NRG) and Southern Company (SO)
MetricNRGSO
Current Ratio (MRQ)0.970.84
Debt / Equity (MRQ)4.831.68
Net Debt / EBITDA7.165.01

Dividends

Dividend Yield (TTM)

Both NRG Energy (NRG) at 2.32% and Southern Company (SO) at 3.21% pay solid, industry-typical yields, sitting squarely within their peers’ usual range.

NRG

Utilities industry group

2.32%

Max
6.66%
Q3
3.58%
Median
2.85%
NRG
2.32%
Q1
0.66%
Min
0.00%

SO

Utilities industry group

3.21%

Max
6.66%
Q3
3.58%
SO
3.21%
Median
2.85%
Q1
0.66%
Min
0.00%
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their dividend yield against the Utilities industry group benchmark.

Dividend Payout Ratio (TTM)

Both NRG Energy (NRG) at 47.91% and Southern Company (SO) at 68.49% keep payout ratio within their industries’ typical mid-ranges — dividend policies that share earnings without consuming too much of them.

NRG

Utilities industry group

47.91%

Max
113.04%
Q3
68.72%
Median
56.38%
NRG
47.91%
Q1
32.38%
Min
0.00%

SO

Utilities industry group

68.49%

Max
113.04%
Q3
68.72%
SO
68.49%
Median
56.38%
Q1
32.38%
Min
0.00%
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their payout ratio against the Utilities industry group benchmark.

Dividend Metrics

Dividend metrics for NRG Energy (NRG) and Southern Company (SO)
MetricNRGSO
Dividend Yield (TTM)2.32%3.21%
Dividend Payout Ratio (TTM)47.91%68.49%

Valuation

P/E Ratio (TTM)

Both NRG Energy (NRG) at 23.11 and Southern Company (SO) at 21.08 land around their industries’ usual P/E ratio levels — neither is getting a clear earnings-multiple discount or premium versus peers.

NRG

Utilities industry group

23.11

Max
31.22
Q3
23.30
NRG
23.11
Median
19.64
Q1
15.17
Min
3.34

SO

Utilities industry group

21.08

Max
31.22
Q3
23.30
SO
21.08
Median
19.64
Q1
15.17
Min
3.34
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their P/E ratio against the Utilities industry group benchmark.

P/S Ratio (TTM)

NRG Energy (NRG) at 0.56 sits in the cheaper P/S ratio quartile while Southern Company (SO) at 3.45 prices around its industry’s middle — NRG costs less per dollar of sales, though read it alongside growth and margins.

NRG

Utilities industry group

0.56

Max
6.35
Q3
3.63
Median
2.63
Q1
1.52
NRG
0.56
Min
0.00

SO

Utilities industry group

3.45

Max
6.35
Q3
3.63
SO
3.45
Median
2.63
Q1
1.52
Min
0.00
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their P/S ratio against the Utilities industry group benchmark.

P/B Ratio (MRQ)

Both look rich against book: Southern Company (SO) at 2.56 sits in the upper P/B ratio quartile, and NRG Energy (NRG) at 4.42 prices even higher, above its industry range.

NRG

Utilities industry group

4.42

NRG
4.42
Max
3.12
Q3
2.21
Median
1.83
Q1
1.46
Min
0.34

SO

Utilities industry group

2.56

Max
3.12
SO
2.56
Q3
2.21
Median
1.83
Q1
1.46
Min
0.34
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NRG Energy (NRG) vs. Southern Company (SO): A comparison of their P/B ratio against the Utilities industry group benchmark.

Valuation Metrics

Valuation metrics for NRG Energy (NRG) and Southern Company (SO)
MetricNRGSO
P/E Ratio (TTM)23.1121.08
P/S Ratio (TTM)0.563.45
P/B Ratio (MRQ)4.422.56
Free Cash Flow Yield (TTM)4.16%-4.73%