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⚠️ Not investment advice. Past performance does not guarantee future results.
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Pennon Group PNN.L

United KingdomUtilities · Utilities - Regulated WaterLondon Stock Exchange · GBP
5.1AI score
Rank 1,662 of 2,130
better than 21% of companies
3.61GBP
▼ 26.3% in one year
PNN.L MSCI World +22.1%
Average analyst target
5.70 GBP (+57.8%)
12 analysts
52-wk low 0.00High 6.05
📈 Chart on TradingView ↗(affiliate link)Analysis of 08/10/2026

What does it do?

Pennon Group is a UK water and wastewater services company, operating through its subsidiary South West Water, providing regulated water supply and sewerage services in the southwest of England.

Listed on London Stock Exchange · Symbol PNN.L · LON: PNN · Currency GBP

Key points

from its scores
  • ✓Strong growth8.4
  • ✓Favourable backdrop8.1
  • ✕Poor share-price trend3.0
  • ✕Fragile balance sheet3.6
  • ✕Little competitive advantage3.7

AI analysis

bottom line, main risk, context and news
Bottom line

The high dividend and revenue growth do not compensate for the risk of an over-leveraged balance sheet and non-existent dividend coverage.

Pennon Group shows solid revenue growth (21.7%) and an attractive dividend (8.03% net), but its financial health is very weak: net debt is 9.04 times EBITDA and cash conversion is negative (-67.78%), making the dividend (payout of 148.65%) unsustainable and the balance sheet vulnerable to a rising rate environment.

⚠ Main risk

The main risk is extreme leverage (Net Debt/EBITDA of 9.04x) combined with negative cash generation, which jeopardizes dividend sustainability and financial solvency if interest rates continue to rise or the regulator Ofwat imposes tariff cuts.

Context and risks

Pennon Group operates in a regulated sector (water) in the UK, where the regulator Ofwat exercises strict control over prices and allowed returns. The company has extreme leverage (Net Debt/EBITDA of 9.04x) and negative cash conversion, making it vulnerable to regulatory pressure and a rising interest rate environment in the UK, which makes its high debt burden more expensive.

Is Pennon Group stock cheap or expensive?

at the analysis date
In line with its sector

On P/E and EV / EBITDA, it trades in line with the Utilities median (within 15%).

MultipleCompanySectorDifference
P/E19.019.1−0%
EV / EBITDA12.412.2+2%
Price / book1.21.9−38%
Price / sales1.32.6−49%

Sector: median of the 92 Utilities companies analysed. In bold, the multiples used for the comparison.

Valuation score: 5.0 out of 10 (median for Utilities: 4.8).

Average analyst target: 5.70 GBP, +57.8% versus the price.

Indicative fair value · GBP
Graham5.42▲ +50% vs price
Dividends10.15▲ +181% vs price
Price3.61at the analysis date

Classic formulas with standard assumptions (10.0% growth, 8-9% discount rate). Indicative only: they change a lot with the assumptions and are not a recommendation.

Work out its fair value yourself →How much would you have made investing every month? →

Comparing it with its sector does not say whether it is a good buy: this is not investment advice.

🛒 Where to buy PNN.LCheapest · UK (LSE) · sample 200.00 € orderCheapest · UK (LSE) · sample 200.00 € orderAvailable in your country · UK (LSE) · sample 200.00 € order
By the cost of that order: commission and FX, taxes excluded (public fee schedules). Brokers marked «affiliate» may pay Meridian a commission at no cost to you. This is not investment advice. · Compare all 22 brokers by real cost →

Score by category

0 to 10 · hover overtap each one to see what it measures
Financial healthiWeak3.6Utilities median: 5.8
Quality / MoatiWeak3.7Utilities median: 3.8
ValuationiFair5.0Utilities median: 4.8
GrowthiGood8.4Utilities median: 5.8
DividendiWeak4.9Utilities median: 6.9
MomentumiPoor3.0Utilities median: 5.3
Risk & ContextiGood8.1Utilities median: 7.5
Utilities median7 or more 5 to 7 under 5

Key metrics

at the analysis date · compared with the Utilities median
P/Ei
19.0
Utilities: 19.1in line
EV / EBITDAi
12.4
Utilities: 12.2in line
ROEi
6.5%
Utilities: 9.9%below
Operating margini
25.1%
Utilities: 22.3%above
Net debt / EBITDAi
9.04
Utilities: 5.33above
Revenue growthi
+21.7%
Utilities: +5.9%above

Valuation

P/E
19.0
Forward P/E
10.8
EV / EBITDA
12.4
Price / book
1.2
Price / sales
1.3
PEG
6.93
Market cap
1.7B GBP
Enterprise value
6.3B GBP

Profitability

ROE
6.5%
ROA
2.7%
ROIC (approx.)
5.1%
Gross margin
97.0%
Operating margin
25.1%
Net margin
7.1%
Free cash flow
−342.2M GBP
FCF yield
−20.1%
Cash conversion
−68%

Solvency

Total debt
4.9B GBP
Net debt
4.6B GBP
Cash
333.3M GBP
EBITDA
504.9M GBP
Net debt / EBITDA
9.04
Debt / equity
347.10
Current ratio
1.51
Quick ratio
1.32

Growth

Revenue growth
+21.7%
EPS (TTM)
0.19 GBP
EPS (forward)
0.33 GBP

Dividend

Dividend yield
8.0%
Payout
148.6%

Risk and market

Beta
0.55
Analyst consensus
Buy (12)
Target price
5.70 GBP

Compare it with its sector

All 92 in Utilities →
See the full ranking with filters →

Keep browsing the ranking

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Frequently asked questions about Pennon Group

Is Pennon Group stock cheap or expensive?

On P/E and EV / EBITDA, it trades in line with the Utilities median (within 15%). Valuation score: 5.0 out of 10 (median for Utilities: 4.8). Average analyst target: 5.70 GBP, +57.8% versus the price. This is not investment advice.

What score does Pennon Group get on MeridIAn Screener?

It scores 5.1 out of 10, rank 1,662 of 2,130 (better than 21% of the companies analysed). Its strongest category is Growth (8.4) and its weakest, Momentum (3.0). Analysis of 08/10/2026.

What is Pennon Group's P/E ratio?

Its P/E is 19.0: the share price equals 19.0 times earnings per share over the last 12 months. The Utilities median is 19.1. Based on the earnings analysts expect, the forward P/E is 10.8.

How much is Pennon Group worth on the stock market?

Its market capitalisation is 1.7B GBP and its enterprise value, debt included, is 6.3B GBP.

How much debt does Pennon Group have?

Its net debt (debt minus cash) is 4.6B GBP. That is 9.04 times its EBITDA; the Utilities median is 5.33.

Does Pennon Group pay a dividend?

Yes: its dividend yield is 8.03% and it pays out 149% of its earnings.

How has Pennon Group stock performed over the last year?

It has fallen 26.3% over the last year, excluding dividends. Over the last 52 weeks it has traded between 0.00 and 6.05 GBP. Past performance does not guarantee future results.

What do analysts think of Pennon Group?

12 analysts cover it; their average recommendation is “Buy” and their average target is 5.70 GBP (+57.8% versus the price). It is an estimate, not market data.