Gender pay gap in electricity, gas, steam and air conditioning supply
In electricity, gas, steam and air conditioning supply (SIC section D) 70 UK employers reported for 2025/26; at the median employer: men paid 12.9% more; 93% pay men more. Source: Arcadium Data, data as of .
Largest median gaps
| Employer | Median gap | Mean gap | Size |
|---|---|---|---|
| UNITED INFRASTRUCTURE POWER T&D LIMITED | +42.2% | +37.6% | 250 to 499 |
| VITAL ENERGI UTILITIES LIMITED | +38.2% | +28.0% | 500 to 999 |
| VEOLIA ENERGY & UTILITY SERVICES UK LIMITED | +34.4% | +26.2% | 250 to 499 |
| EQUANS FM LIMITED | +34.1% | +25.6% | 500 to 999 |
| FIRST HYDRO COMPANY | +30.1% | +20.7% | Less than 250 |
| NORTHERN POWERGRID (NORTHEAST) PLC | +29.9% | +22.8% | 1000 to 4999 |
| THE FREEDOM GROUP OF COMPANIES LTD. | +28.9% | +21.1% | 500 to 999 |
| SSE THERMAL ENERGY OPERATIONS LIMITED | +27.7% | +15.6% | 250 to 499 |
| EDF ENERGY LIMITED | +27.5% | +23.3% | 5000 to 19,999 |
| EDF ENERGY CUSTOMERS LIMITED | +27.3% | +19.8% | 500 to 999 |
| WESTERN BIOMASS OPERATING COMPANY LIMITED | +27.3% | +30.7% | Less than 250 |
| ENGIE UK LIMITED | +26.3% | +24.0% | Less than 250 |
| DAIKIN AIRCONDITIONING UK LIMITED | +26.0% | +13.7% | 250 to 499 |
| SMARTESTENERGY LIMITED | +25.6% | +18.4% | 500 to 999 |
| DRAX ENERGY SOLUTIONS LIMITED | +25.0% | +19.1% | 250 to 499 |
Women paid more
| Employer | Median gap | Mean gap | Size |
|---|---|---|---|
| YÜ ENERGY RETAIL LIMITED | -22.9% | -22.3% | 250 to 499 |
| ORSTED POWER (UK) LIMITED | -7.4% | +2.1% | 1000 to 4999 |
| SSE AIRTRICITY ENERGY SUPPLY (NI) LIMITED | -4.2% | -2.5% | 250 to 499 |
Largest employers in the sector
| Employer | Size | Median gap | Mean gap |
|---|---|---|---|
| BRITISH GAS TRADING LIMITED | 5000 to 19,999 | +5.2% | +15.6% |
| CADENT GAS LIMITED | 5000 to 19,999 | +17.0% | +7.4% |
| E.ON UK PLC | 5000 to 19,999 | +24.1% | +13.9% |
| EDF ENERGY LIMITED | 5000 to 19,999 | +27.5% | +23.3% |
| EDF ENERGY NUCLEAR GENERATION LIMITED | 5000 to 19,999 | +9.3% | +9.9% |
| UK POWER NETWORKS (OPERATIONS) LIMITED | 5000 to 19,999 | +14.7% | +15.5% |
| CENTRICA PLC | 1000 to 4999 | +18.6% | +25.5% |
| DRAX POWER LIMITED | 1000 to 4999 | +14.9% | +12.2% |
| ELECTRICITY NORTH WEST LIMITED | 1000 to 4999 | +10.2% | +12.1% |
| NATIONAL GAS TRANSMISSION PLC | 1000 to 4999 | +0.1% | +2.7% |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (EAST MIDLANDS) PLC | 1000 to 4999 | +7.8% | +7.1% |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC | 1000 to 4999 | +10.1% | +9.3% |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC | 1000 to 4999 | +9.4% | +10.2% |
| NATIONAL GRID ELECTRICITY DISTRIBUTION (WEST MIDLANDS) PLC | 1000 to 4999 | +3.6% | +4.4% |
| NATIONAL GRID ELECTRICITY TRANSMISSION PLC | 1000 to 4999 | +4.6% | +2.7% |
| NORTHERN POWERGRID (NORTHEAST) PLC | 1000 to 4999 | +29.9% | +22.8% |
| NORTHERN POWERGRID (YORKSHIRE) PLC | 1000 to 4999 | +13.2% | +13.9% |
| OCTOPUS ENERGY LIMITED | 1000 to 4999 | +1.3% | +6.5% |
| ORSTED POWER (UK) LIMITED | 1000 to 4999 | -7.4% | +2.1% |
| SCOTTISH HYDRO ELECTRIC POWER DISTRIBUTION PLC | 1000 to 4999 | +4.0% | +4.5% |
| SCOTTISH HYDRO ELECTRIC TRANSMISSION PLC | 1000 to 4999 | +13.4% | +12.6% |
| SOUTHERN ELECTRIC POWER DISTRIBUTION PLC | 1000 to 4999 | +4.7% | +6.2% |
| SSE ENERGY SUPPLY LIMITED | 1000 to 4999 | +18.2% | +21.8% |
| SSE RENEWABLES SERVICES (UK) LIMITED | 1000 to 4999 | +10.7% | +8.6% |
| WALES & WEST UTILITIES LIMITED | 1000 to 4999 | +6.0% | +7.0% |
All sectors: UK gender pay gap by employer. The sector is the first SIC 2007 code each employer gives in its filing.
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Source: Gender pay gap service (GOV.UK), reporting year 2025/26 (snapshot date 5 April 2025 for private and voluntary employers, 31 March 2026 for public bodies), Open Government Licence v3.0. Employers with 250 or more staff must report each year. A positive gap means men are paid more on that measure. Company-level data only: the person named as responsible in the filing is not included. Independent of the Government Equalities Office.
Questions
What is the gender pay gap in electricity, gas, steam and air conditioning supply?
For 2025/26, the median employer in this industry reported a median hourly gap of 12.9% (70 employers). 93% paid men more at the median.
Cite as: Arcadium Data, "Gender pay gap in electricity, gas, steam and air conditioning supply: 70 UK employers, 2025/26", https://arcadiumdata.io/uk-gender-pay-gap/sector/d/, data as of 2026-10-25.