National Grid Transco National Grid (NEW) (NGG) vs Southern (SO)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 7, 2026.
Summary
National Grid Transco National Grid (NEW) (NGG) has outperformed Southern (SO) over the past year, gaining 3.0% versus a loss of 10.9%. Over five years, SO leads with a +36.1% price change compared with +23.5% for NGG. Southern is the larger company by market cap ($98.29 billion vs $76.52 billion), about 1.3 times the size.
On valuation, National Grid Transco National Grid (NEW) trades at a lower forward P/E (11.5x vs 17.4x for Southern). Southern offers the higher dividend yield (3.49% vs 0.64%).
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | NGG | SO |
|---|---|---|
| Share price | $76.11 | $85.44 |
| Market cap | $76.52B | $98.29B |
| 1-day change | -0.96% | 0.00% |
| YTD return | -1.60% | -1.44% |
| 1-year return | +3.02% | -10.87% |
| 5-year return | +23.54% | +36.13% |
| P/E ratio (TTM) | 17.34 | 20.59 |
| Forward P/E | 11.54 | 17.35 |
| EPS (TTM) | $4.39 | $4.15 |
| Dividend yield | 0.64% | 3.49% |
| Annual dividend | $0.485 | $2.98 |
| Revenue (latest FY) | — | $29.55B |
| Revenue growth (YoY) | — | +10.59% |
| Net income (latest FY) | — | $4.34B |
| Operating margin | — | 24.65% |
| Net margin | — | 14.69% |
| 52-week high | $94.64 | $100.84 |
| 52-week low | $73.24 | $81.69 |
| Distance from 52-week high | -19.58% | -15.27% |
| Analyst consensus | buy | hold |
| Avg. price target upside | +19.81% | +14.85% |
| Average volume | 832.49K | 5.67M |
| Shares outstanding | 1.01B | 1.15B |
| Employees | 33,026 | 29,502 |
| Sector | Utilities | Utilities |
| Industry | Natural Gas Distribution | Electric Utilities: Central |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- NGG has outperformed SO by 13.9 percentage points over the past year.
- Southern offers a meaningfully higher dividend yield (3.49% vs 0.64%).
About National Grid Transco National Grid (NEW)
NGG stock →National Grid plc engages in the transmission and distribution of electricity and gas. It operates through UK Electricity Transmission, UK Electricity Distribution, New England, New York, National Grid Ventures, and Other segments.
Utilities · Natural Gas Distribution · 33,026 employees
About Southern
SO stock →The Southern Company, through its subsidiaries, engages in the sale of electricity. The company offers electric service to retail customers and wholesale customers; and energy-related products and services to natural gas choice markets.
Utilities · Electric Utilities: Central · 29,502 employees
NGG vs SO FAQ
Which is bigger, National Grid Transco National Grid (NEW) or Southern?
Southern (SO) is larger, with a market capitalization of $98.29B compared with $76.52B for National Grid Transco National Grid (NEW) (NGG).
Which stock has performed better over the past year, NGG or SO?
NGG returned +3.02% over the past 12 months, compared with -10.87% for SO (price return, excluding dividends). Past performance does not predict future results.
Which has the lower P/E ratio, NGG or SO?
NGG has the lower trailing P/E at 17.3, versus 20.6 for SO. A lower P/E is not by itself a sign of a better investment; it can reflect slower expected growth or higher risk.
Which pays a higher dividend, National Grid Transco National Grid (NEW) or Southern?
Southern has the higher yield at 3.49%, compared with 0.64% for National Grid Transco National Grid (NEW).
Are National Grid Transco National Grid (NEW) and Southern in the same industry?
Both are in the Utilities sector, but in different industries: Natural Gas Distribution for National Grid Transco National Grid (NEW) and Electric Utilities: Central for Southern.