NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC
NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC has submitted data every year since 2017, with all 9 submissions on time.
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Last submission received on Thursday, 2 Apr 2026 at 09:04 UTC.
Overall workforce composition
Deviation from a 50:50 gender split, averaged across all four pay quartiles per year. 0% represents an equal split of men and women; positive values mean more women, negative means fewer women.
Hourly pay gap over time
Positive values indicate women's hourly pay is lower than men's by that percentage. A value of 0 indicates equal pay; negative values indicate women earn more.
Pay quartile breakdown
Each band shows the percentage of that quartile that is male vs female.
Lower quartile bottom 25% of earners
Lower-middle quartile 25–50th percentile
Upper-middle quartile 50–75th percentile
Top quartile top 25% of earners
Bonus pay
Percentage of each gender who received a bonus payment.
Bonus pay gap — positive values indicate women's bonus pay is lower than men's.
Year by year
Each year's submission in full. Most recent year shown first.
2025 Mean pay gap 9.3%
Submitted on Thursday, 2 Apr 2026 at 09:04 UTC.
In this organisation, women earned 90p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 80.1% lower than men's.
Women made up 8.1% of the highest paid quarter and 19.6% of the lowest paid quarter.
Pay quartile breakdown
2024 Mean pay gap 10.9%
Submitted on Friday, 21 Mar 2025 at 14:46 UTC.
In this organisation, women earned 86p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 98.6% lower than men's.
Women made up 6.1% of the highest paid quarter and 22.7% of the lowest paid quarter.
Pay quartile breakdown
2023 Mean pay gap 12.4%
Submitted on Friday, 22 Mar 2024 at 10:23 UTC.
In this organisation, women earned 89p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 96.0% lower than men's.
Women made up 8.1% of the highest paid quarter and 24.7% of the lowest paid quarter.
Pay quartile breakdown
2022 Mean pay gap 12.2%
Submitted on Tuesday, 28 Mar 2023 at 15:01 UTC.
In this organisation, women earned 88p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 26.1% lower than men's.
Women made up 8.0% of the highest paid quarter and 20.5% of the lowest paid quarter.
Pay quartile breakdown
2021 Mean pay gap 12.6%
Submitted on Saturday, 2 Apr 2022 at 06:21 UTC.
In this organisation, women earned 88p for every £1 that men earned when comparing median hourly pay.
Women made up 8.0% of the highest paid quarter and 21.7% of the lowest paid quarter.
Pay quartile breakdown
2020 Mean pay gap 14.3%
Submitted on Tuesday, 21 Sept 2021 at 11:33 UTC.
In this organisation, women earned 87p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 33.3% higher than men's.
Women made up 6.1% of the highest paid quarter and 20.7% of the lowest paid quarter.
Pay quartile breakdown
2019 Mean pay gap 7.7%
Submitted on Tuesday, 24 Mar 2020 at 12:00 UTC.
In this organisation, women earned 88p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 25.5% lower than men's.
Women made up 9.2% of the highest paid quarter and 18.8% of the lowest paid quarter.
Pay quartile breakdown
2018 Mean pay gap 12.3%
Submitted on Friday, 29 Mar 2019 at 08:50 UTC.
In this organisation, women earned 86p for every £1 that men earned when comparing median hourly pay.
Women's median bonus pay was 17.1% higher than men's.
Women made up 6.8% of the highest paid quarter and 19.7% of the lowest paid quarter.
Pay quartile breakdown
2017 Mean pay gap 12.6%
Submitted on Friday, 16 Mar 2018 at 12:31 UTC.
In this organisation, women earned 90p for every £1 that men earned when comparing median hourly pay.
Women made up 7.1% of the highest paid quarter and 20.9% of the lowest paid quarter.
Pay quartile breakdown