Pennon Group Plc
PNN
Rank in Stocks
#5308
Pennon Group Plc is a UK-based utility company focused on delivering vital... Pennon Group Plc is a UK-based utility company focused on delivering vital clean water and wastewater management services. The firm supplies integrated water and wastewater solutions to residents in Cornwall, Devon, and particular sections of Dorset and Somerset. Additionally, it offers water-only supply in the regions of Dorset, Hampshire, and Wiltshire. Pennon Group also extends its water and wastewater retail services to commercial and non-domestic clients across Great Britain. Moreover, the company provides regulated water to an estimated 1.2 million consumers located in the Bristol area. Cumulatively, it serves approximately 50 million domestic and business customers. Established in 1989, Pennon Group Plc is headquartered in Exeter, United Kingdom.
Share Price
$4.65
Last synced: 2026-11-09
Market Cap
$2.42B
Change (1 day)
1.59%
Change (1 year)
-31.48%
Country
Stock data: Financial Modeling Prep·Updated ·Not investment advice·How we calculate this
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Category
Utilities
Operating Margin for Pennon Group Plc (PNN)
Operating Margin as of November 2026 TTM: 24.83%
According to Pennon Group Plc's latest financial reports, its current operating margin (TTM) is 24.83%. At the end of 2025 the company had an operating margin of 10.58%.
Operating Margin history for Pennon Group Plc from 2000 to 2026
Operating Margin at the end of each year
| Year | Operating Margin | Change |
|---|---|---|
| 2026 (TTM) | 24.83% | 134.69% |
| 2025 | 10.58% | -31.65% |
| 2024 | 15.48% | 16.13% |
| 2023 | 13.33% | -55.28% |
| 2022 | 29.81% | -4.46% |
| 2021 | 31.20% | -18.17% |
| 2020 | 38.13% | -2.93% |
| 2019 | 39.28% | 73.88% |
| 2018 | 22.59% | 2.87% |
| 2017 | 21.96% | 15.34% |
| 2016 | 19.04% | 10.96% |
| 2015 | 17.16% | 8.54% |
| 2014 | 15.81% | 234.96% |
| 2013 | 4.72% | -78.35% |
| 2012 | 21.80% | -3.15% |
| 2011 | 22.51% | -9.63% |
| 2010 | 24.91% | -4.81% |
| 2009 | 26.17% | -3.29% |
| 2008 | 27.06% | 1.23% |
| 2007 | 26.73% | 7.48% |
| 2006 | 24.87% | -6.08% |
| 2005 | 26.48% | -3.85% |
| 2004 | 27.54% | -9.53% |
| 2003 | 30.44% | 8.33% |
| 2002 | 28.10% | 1.55% |
| 2001 | 27.67% | -21.92% |
| 2000 | 35.44% | 0.00% |
Operating Margin for similar companies or competitors
| Company | Operating Margin | Operating Margin Difference | Country |
|---|---|---|---|
| 37.04% | -98.51% |
US
|
|
| 30.59% | -98.77% |
BR
|
|
| 41.69% | -98.32% |
GB
|
|
| 30.42% | -98.77% |
GB
|
|
| 35.06% | -98.59% |
US
|
What is a company's Operating Margin?
The operating margin is a key indicator to assess the profitability of a company. Higher operating margins are generaly better as they show that a company is able to sell its products or services for much more than their production costs. The operating margin is calculated by dividing a company's earnings by its revenue.
Questions about Pennon Group Plc's operating margin
What is Pennon Group Plc's operating margin?
Pennon Group Plc's operating margin is 24.83%, as of Nov 2026.
What was Pennon Group Plc's operating margin in 2025?
In 2025, Pennon Group Plc's operating margin was 10.58%, compared with 15.48% in 2024.
How has Pennon Group Plc's operating margin changed since 2020?
From 2020 to 2025, Pennon Group Plc's operating margin was highest in 2020 (38.13%) and lowest in 2025 (10.58%).
How does Pennon Group Plc's operating margin compare with similar companies?
Pennon Group Plc's operating margin (24.83%) is lower than that of all 5 similar companies listed above. The highest among them is United Utilities Group PLC, with 41.69%.