Publications
2013-2021 Business Plan Headlines for Stakeholders
PDF - 1.82 MB
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Executive Overview
PDF - 0.66 MB
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Outputs
PDF - 1.14 MB
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Innovation
PDF - 0.35 MB
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Business Plan Uncertainties
PDF - 0.40 MB
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Stakeholder Engagement
PDF - 0.62 MB
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Asset Strategy
PDF - 0.84 MB
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Environment
PDF - 0.40 MB
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Business Plan Assumptions
PDF - 0.21 MB
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2020-21 Customer Satisfaction Survey Results
PDF - 0.06 MB
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2019-20 Customer Satisfaction Survey Results
PDF - 0.05 MB
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2018-19 Customer Satisfaction Survey Results
PDF - 0.13 MB
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2017-18 Customer Satisfaction Survey Results
PDF - 0.17 MB
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2016-17 Customer Satisfaction Survey Results
PDF - 0.24 MB
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2015-16 Customer Satisfaction Survey Results
PDF - 0.09 MB
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2014-15 Customer Satisfaction Survey Results
PDF - 0.15 MB
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2013-14 Customer Satisfaction Survey Results
PDF - 0.18 MB
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2020-21 Gas Distribution Network Notice of Rights
PDF - 0.42 MB
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2019-20 Gas Distribution Network Notice of Rights
PDF - 0.33 MB
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2018-19 Gas Distribution Network Notice of Rights
PDF - 0.25 MB
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2017-18 Gas Distribution Network Notice of Rights
PDF - 0.29 MB
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2016-17 Gas Distribution Network Notice of Rights
PDF - 0.31 MB
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2015-16 Gas Distribution Network Notice of Rights
PDF - 0.30 MB
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2014-15 Gas Distribution Network Notice of Rights
PDF - 0.31 MB
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2013-14 Gas Distribution Network Notice of Rights
PDF - 0.42 MB
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2024-25 Customer Satisfaction Survey Results
PDF - 0.03 MB
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2023-24 Customer Satisfaction Survey Results
PDF - 0.03 MB
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2022-23 Customer Satisfactions Survey Results
PDF - 0.03 MB
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2021-22 Customer Satisfaction Survey Results
PDF - 0.08 MB
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2022-23 Gas Distribution Network Notice of Rights
PDF - 0.45 MB
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2021-22 Gas Distribution Network Notice of Rights
PDF - 0.43 MB
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Wales & West Utilities Vulnerability & Carbon Monoxide Allowance Stakeholder Workshop Feedback Report
PDF - 0.82 MB
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Wales & West Utilities Annual Stakeholder Report 2019-20
PDF - 5.57 MB
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Wales & West Utilities Adroddiad Blynyddol i Randdeiliaid 2019-2020
PDF - 7.37 MB
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Wales & West Utilities Annual Stakeholder Report 2018-19
PDF - 5.29 MB
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Wales & West Utilities Annual Stakeholder Report 2017-18
PDF - 3.71 MB
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Wales & West Utilities Annual Stakeholder Report 2016-17
PDF - 4.21 MB
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Wales & West Utilities Annual Stakeholder Report 2015-16.pdf
PDF - 4.57 MB
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Wales & West Utilities Annual Stakeholder Report 2016-17 Welsh
PDF - 4.79 MB
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Wales & West Utilities Adroddiad bylnyddol i randdeiliaid 2015-2016
PDF - 4.43 MB
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Annual Stakeholder Report 2014-2015
PDF - 51.78 MB
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WWU Stakeholder Report April 2013 to March 2014
PDF - 2.85 MB
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WWU Stakeholder Report April 2013 to March 2014 Welsh
PDF - 2.77 MB
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Wales & West Utilities Annual Stakeholder Report 2021-22
PDF - 3.60 MB
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Wales & West Utilities Annual Stakeholder Report 2020-21
PDF - 5.15 MB
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Wales & West Utilities Discretionary Reward Scheme 2018-2021
PDF - 0.94 MB
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Wales & West Utilities Stakeholder Engagement Incentive Submission 2020-2021
PDF - 1.05 MB
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Wales & West Utilities Annual Stakeholder Report 2024.pdf
PDF - 8.65 MB
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2020-21 Wales & West Utilities Regulatory Report Pack Strategic Performance Overview
PDF - 4.24 MB
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2020-21 Wales & West Utilities Regulatory Report Pack Cost and Volumes Tables
PDF - 0.18 MB
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2019-2020 Wales & West Utilities Regulatory Report Pack Strategic Performance Overview
PDF - 11.90 MB
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2019-2020 Wales & West Utilities Regulatory Report Pack Cost and Volumes Tables
PDF - 0.15 MB
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2018-19 Wales & West Utilities Regulatory Report Pack Strategic Performance Overview
PDF - 11.62 MB
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2018-19 Wales & West Utilities Regulatory Report Pack Cost and Volumes Tables
PDF - 0.15 MB
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2017-18 Wales & West Utilities Regulatory Report Pack Commentary
PDF - 1.74 MB
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2017-18 Wales & West Utilities Regulatory Report Pack Cost and Volumes Tables
PDF - 0.16 MB
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2016-17 Regulatory Report Pack Commentary
PDF - 0.97 MB
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2016-17 Wales & West Utilities Regulatory Report Pack Cost and Volumes Tables
PDF - 0.50 MB
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2015-16 Wales & West Utilities Regulatory Report Pack Cost and Volumes Tables
PDF - 0.46 MB
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2014-15 Regulatory Report Pack costs, workload and outputs
PDF - 0.12 MB
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Wales & West Utilities 2024-25 Regulatory Report Pack Strategic Performance Overview
PDF - 2.07 MB
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2024-25 WWU Regulatory Report Pack Costs and Volumes Tables
PDF - 0.08 MB
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2023-24 WWU Regulatory Report Pack Cost and Volumes Tables.xlsx
PDF - 0.17 MB
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WWU RIIO-GD2 Year Three Strategic Performance Overview.pdf
PDF - 1.19 MB
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2022-23 WWU Strategic Performance Overview
PDF - 0.88 MB
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2021-22 Wales & West Utilities 2023-24 Regulatory Report Pack Strategic Performance Overview
PDF - 0.58 MB
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2022-23 WWU Regulatory Report Pack Costs and Volumes Tables
PDF - 0.15 MB
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2021-22 Wales & West Utilities Regulatory Report Pack Cost & Volumes Tables
PDF - 0.10 MB
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2020-21 Wales & West Utilities RFPR Tables
PDF - 0.82 MB
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2020-2021 RFPR Commentary
PDF - 0.23 MB
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2019-20 Wales & West Utilities RFPR Tables
PDF - 0.82 MB
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2019-2020 RFPR Commentary
PDF - 0.33 MB
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2018-19 Wales & West Utilities RFPR Tables
PDF - 0.58 MB
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2018-19 RFPR Commentary
PDF - 0.27 MB
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Wales & West Utilities Regulatory Accounts Year Ended 31 March 2018
PDF - 1.24 MB
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Wales & West Utilities Regulatory Accounts Year Ended 31 March 2017
PDF - 1.55 MB
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Wales & West Utilities Regulatory Accounts Year Ended 31 March 2016
PDF - 1.20 MB
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Wales & West Utilities Regulatory Accounts Commentary Year Ended 31st March 2016
PDF - 1.43 MB
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WWU Regulatory Accounts Year Ended 31st March 2015.pdf
PDF - 0.88 MB
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WWU Regulatory Accounts Year Ended 31st March 2014
PDF - 0.87 MB
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RFPR GD2 WWU 2024-2025
PDF - 12.83 MB
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RFPR GD2 WWU Commentary 2024-2025
PDF - 1.51 MB
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RFPR GD2 WWU Commentary 2022-23
PDF - 1.06 MB
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2022-23 RFPR Tables
PDF - 4.83 MB
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2021-22 RFPR Tables
PDF - 1.11 MB
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2021-22 RFPR Commentary
PDF - 1.06 MB
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RFPR GD2 WWU Commentary 2023-24
PDF - 1.24 MB
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2023-24 RFPR Tables
PDF - 6.59 MB
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Statement of Remuneration and Service Standards 2020/21
PDF - 0.36 MB
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Statement of Remuneration and Service Standards 2019/2020
PDF - 0.19 MB
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Statement of Remuneration and Service Standards 2018/2019
PDF - 0.15 MB
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Statement of Remuneration and Service Standards 2017/2018
PDF - 0.14 MB
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Statement of Remuneration and Service Standards 2016/2017
PDF - 0.14 MB
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Statement of Remuneration and Service Standards 2015/2016
PDF - 0.15 MB
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Statement of Remuneration and Service Standards 2014/2015
PDF - 0.14 MB
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Statement of Remuneration and Service Standards 2013/2014
PDF - 0.14 MB
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Statement Of Remuneration And Service Standards 2024/25
PDF - 0.11 MB
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Statement of Remuneration and Service Standards 2023/24.pdf
PDF - 0.09 MB
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Statement of Remuneration and Service Standards 2022/23
PDF - 0.09 MB
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Statement of Remuneration and Service Standards 2021/22
PDF - 0.08 MB
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Cross-sector infrastructure interactions - Annual Report 2020
PDF - 0.66 MB
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Cross-sector infrastructure interactions - Annual Report 2019
PDF - 0.79 MB
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Cross-sector infrastructure interactions - Annual Report 2018
PDF - 0.91 MB
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Cross-sector infrastructure interactions - Annual Report 2017
PDF - 0.86 MB
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Cross-sector infrastructure interactions - Annual Report 2016
PDF - 0.65 MB
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Wales & West Utilities Adaptation Reporting Power 4 Report
PDF - 0.93 MB
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Sustainability Strategy 2023
PDF - 8.35 MB
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Strategaeth Cynaliadwyedd 2023
PDF - 5.84 MB
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WWU 2023-24 Annual Environmental Report
PDF - 6.57 MB
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Biodiversity Action Plan 2022
PDF - 1.93 MB
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Gas Goes Green - Sustainability Report - Our Commitments 2021
PDF - 5.58 MB
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Climate Change Adaptation Third Round Report - September 2021
PDF - 0.99 MB
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Greenhouse Gas Emissions Report and Data Assurance Statement 2025
PDF - 0.50 MB
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WWU Last Resort Supplier Statement 2020-2021
PDF - 0.32 MB
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WWU Statement of Charges 2021-22
PDF - 1.00 MB
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WWU Final Price notification 2021-22
PDF - 0.64 MB
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WWU Final Price notification 2020-21
PDF - 0.78 MB
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WWU Last Resort Supplier Statement 2019-2020
PDF - 0.33 MB
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WWU Last Resort Supplier Statement 2018-19
PDF - 0.34 MB
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31 January 2019 Notice of Charges from 1 April 2019 Wales & West Utilities
PDF - 0.73 MB
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Wales & West Utilities Notification of Exit Capacity Charges
PDF - 0.42 MB
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Wales & West Utilities Notice of Change to Date of Exit Capacity Price Reduction
PDF - 0.40 MB
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WWU Final Price notification PUBLISHED
PDF - 0.74 MB
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Indicative Transportation Charges from 1st April 2018
PDF - 0.68 MB
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2017_18 Charging Statement WWU
PDF - 0.94 MB
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WWU Final price notification 1 April 2017
PDF - 0.57 MB
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WWU Indicative Transportation Charges from 1st April 2017 FINAL
PDF - 0.52 MB
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Notification of Local Distribution Zone Transportation Charges from 01 April 16 (Wales & West Utilities)
PDF - 0.49 MB
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2016_17 Charging Statement WWU
PDF - 0.78 MB
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Indicative Transportation Charges from 1st April 2016
PDF - 0.39 MB
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Indicative Transportation Charges from 1st April 2015
PDF - 0.10 MB
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WWU April 2015 Statement of Gas Transportation Charges
PDF - 0.45 MB
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Notice of WWU April 15 Transportation Charges 300115
PDF - 0.35 MB
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WWU April 15 UNC TPD Section V 5.13.1 MOD186
PDF - 0.28 MB
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Notice of Charges DN Embedded Entry Point 2014-15
PDF - 0.15 MB
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Statement of Charges 2025-26
PDF - 0.76 MB
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Final Notice of Change to Transportation Charges 2025-26
PDF - 0.54 MB
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Indicative Transportation Charges from 1st April 2025
PDF - 0.97 MB
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Indicative Pricing Notice from 1st April 2024
PDF - 0.40 MB
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Statement of Charges 2023-24
PDF - 0.76 MB
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Final Notice of Change to Transportation Charges 2023-24
PDF - 1.18 MB
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Statement of Charges 2024-25
PDF - 1.58 MB
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Addendum to WWU Statement of Charges 2022-23
PDF - 0.19 MB
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Final Notice of Change to Transportation Charges 2024-25
PDF - 1.15 MB
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WWU Last Resort Supplier Statement 2022-23
PDF - 0.91 MB
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Indicative Transportation Charges from 1st April 2023
PDF - 0.55 MB
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WWU Last Resort Supplier Statement 2021-22
PDF - 0.34 MB
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WWU Statement of Charges 2022-23
PDF - 0.96 MB
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WWU Final Price notification 2022-23
PDF - 0.58 MB
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Indicative Transportation Charges from 1st April 2022
PDF - 0.48 MB
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WWU Last Resort Supplier Statement 2024-25
PDF - 0.41 MB
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WWU Last Resort Supplier Statement 2023-24
PDF - 0.91 MB
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Connections and other distribution services charges March 2025
PDF - 0.46 MB
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4B principles and methods statement for connection charging May 2024
PDF - 1.00 MB
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Connections Internal Business Rules April 2024
PDF - 0.44 MB
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Connections Business Rules 2025
PDF - 0.94 MB
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Connections And Other Distribution Service Charges Standard Charges 6 October 2025
PDF - 1.01 MB
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2021 Long Term Development Statement Summary
PDF - 0.48 MB
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2021 Long Term Development Statement
PDF - 3.16 MB
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2020 Long Term Development Statement Summary.pdf
PDF - 0.24 MB
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2020 Long Term Development Statement 2020.pdf
PDF - 1.51 MB
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2019 Long Term Development Statement.pdf
PDF - 1.54 MB
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2019 Long Term Development Statement Summary.pdf
PDF - 0.27 MB
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2018 Long Term Development Statement.pdf
PDF - 5.47 MB
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2018 Long Term Development Statement Summary.pdf
PDF - 1.50 MB
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2017 Long Term Development Statement.pdf
PDF - 1.56 MB
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2017 Long Term Development Statement Summary.pdf
PDF - 0.23 MB
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2016 Long Term Development Statement Summary.pdf
PDF - 0.32 MB
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2016 Long Term Development Statement
PDF - 1.60 MB
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2015 Long Term Development Statement.pdf
PDF - 1.69 MB
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2015 Long Term Development Statement Summary.pdf
PDF - 0.60 MB
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2014 Long Term Development Statement.pdf
PDF - 2.14 MB
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2014 Long Term Development Statement Summary.pdf
PDF - 0.08 MB
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WWU Long Term Development Statement Summary 2024
PDF - 0.83 MB
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2024 Long Term Development Statement
PDF - 1.71 MB
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WWU - Long Term Development Statement - Workbook
PDF - 0.07 MB
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2023 Long Term Development Statement
PDF - 4.47 MB
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2023 Long Term Development Statement Summary
PDF - 0.58 MB
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2022 Long Term Development Statement
PDF - 1.72 MB
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2022 Long Term Development Statement Summary
PDF - 0.35 MB
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WWU Local Distribution Zone Final Shrinkage Proposals 2020-21
PDF - 0.28 MB
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WWU Actual Local Distribution ZoneShrinkage and Leakage Report 2020-21
PDF - 0.25 MB
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Wales & West Utilities Local Distribution Zone Final Shrinkage Proposals 2021-22
PDF - 0.22 MB
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WWU Actual Local Distribution Zone Shrinkage and Leakage Report 2019-2020
PDF - 0.34 MB
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WWU Actual Local Distribution Zone Shrinkage and Leakage Report 2018-19
PDF - 0.18 MB
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WWU Actual Local Distribution Zone Shrinkage and Leakage Report 2017-18
PDF - 0.18 MB
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WWU Local Distribution Zone Final Shrinkage Quantity Proposals 2018-19
PDF - 0.21 MB
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WWU Local Distribution Zone Initial Shrinkage Quantity Proposals 2018-19
PDF - 0.23 MB
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WWU Actual Local Distribution Zone Shrinkage and Leakage Report 2016-17
PDF - 0.27 MB
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Wales & West Utilities Final Shrinkage Quantity Proposals 2017-18
PDF - 0.12 MB
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Wales & West Utilities Initial Shrinkage Quantity Proposals 2017-18
PDF - 0.30 MB
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WWU Actual Local Distribution Zone Shrinkage and Leakage Report 2015-16
PDF - 0.11 MB
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Local Distribution Zone Energy Loss Final Proposals 2016-17
PDF - 0.40 MB
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Local Distribution Zone Energy Loss Initial Proposals 2016-17
PDF - 0.33 MB
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Local Distribution Zone Energy Loss Final Proposals 2014-15
PDF - 0.35 MB
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Local Distribution Zone Energy Loss Initial Proposals 2014-15
PDF - 0.22 MB
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Local Distribution Zone Energy Loss Final Proposals 2013-14
PDF - 0.09 MB
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WWU Actual Local Distribution Zone Shrinkage and Leakage Report 2014-15
PDF - 0.10 MB
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Local Distribution Zone Energy Loss - Final Proposals 2015-16
PDF - 0.24 MB
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Local Distribution Zone Energy Loss - Initial Proposals 2015-16
PDF - 0.24 MB
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WWU Actual Local Distribution Zone Shrinkage and Leakage Report 2013-14
PDF - 0.11 MB
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Wales & West Utilities Actual Local Distribution Zone Shrinkage and Leakage Report 2024-2025
PDF - 0.33 MB
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Wales & West Utilities Actual Location Distribution Zone Shrinkage and Leakage Report 2023-2024
PDF - 0.28 MB
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Wales & West Utilities Actual Local Distribution Zone Shrinkage and Leakage Report 2022-2023
PDF - 0.15 MB
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Wales & West Utilities Actual Local Distribution Zone Shrinkage and Leakage Report 2021-2022
PDF - 0.25 MB
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Wales & West Utilities Digitalisation Strategy December 2024
PDF - 6.09 MB
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Wales & West Utilities Digitalisation Action Plan December 2024
PDF - 0.03 MB
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Wales & West Utilities' Digitalisation Strategy March 2022
PDF - 0.82 MB
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Wales & West Utilities' Digitalisation Strategy Action Plan March 2022
PDF - 0.03 MB
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Wales & West Utilities Digitalisation Strategy Action Plan June 2021
PDF - 0.02 MB
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Wales & West Utilities Digitalisation Strategy December 2020
PDF - 0.81 MB
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Wales & West Utilities Digitalisation Strategy Action Plan December 2020
PDF - 0.02 MB
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Wales & West Utilities Digitalisation Strategy 2019
PDF - 0.45 MB
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WWU ECPG Methodology Statement 2025
PDF - 0.40 MB
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WWU ECPG Methodology Consultation Results Report 2025
PDF - 0.18 MB
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2024 Exit Capacity Planning Outcomes Report Redacted
PDF - 0.93 MB
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WWU Network Topologies 2024 - Redacted
PDF - 0.59 MB
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WWU ECP Methodology Statement 2024
PDF - 0.51 MB
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WWU Network Topologies 2023 - Redacted
PDF - 0.19 MB
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WWU ECP Methodology Statement 2023
PDF - 0.71 MB
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WWU ECP Outcomes Report 2022 - Redacted
PDF - 0.66 MB
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2021 Exit Capacity Planning Report 2021 Redacted
PDF - 0.36 MB
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WWU ECP Outcomes Report 2023 - Redacted
PDF - 1.25 MB
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WWU Network Topologies 2025 - Redacted.pdf
PDF - 0.71 MB
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WWU-Cat.1 - Non-operational IT Business Case Category 1 - Data Best Practice REDACTED
PDF - 0.78 MB
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WWU-Cat.3 - Non-operational IT Business Case Category 3 - National Telecoms Industry Changes REDACTED
PDF - 0.73 MB
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WWU-ES - Non-operational IT Business Case - Executive Summary REDACTED
PDF - 0.23 MB
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WWU Net Zero Pre-construction Work and Small Net Zero Projects Re-opener Redacted
PDF - 5.24 MB
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WWU HSE Policy Reopener Redacted
PDF - 0.43 MB
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WWU Specified Streetworks Costs Reopener Redacted
PDF - 0.61 MB
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WWU HyPentref Submission - Public
PDF - 5.15 MB
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diversions-and-loss-of-development-re-opener
PDF - 1.16 MB
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WWU New Large Load Connections Re-Opener executive summary amended following Ofgem supplementary questions
PDF - 0.36 MB
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WWU Network Code
PDF - 0.01 MB
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Summary of the Uniform Network Code
PDF - 0.42 MB
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WWU Local Distribution Zone Shrinkage Assessment and Adjustment for the period 1 Apr 13 to 31 Mar 14
PDF - 0.34 MB
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WWU Local Distribution Zone Shrinkage Assessment and Adjustment for the period 1 Apr 14 to 31 Mar 15
PDF - 0.34 MB
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Wales & West Utilities RIIO-3 Sector Specific Methodology Consultation Response March 2024
PDF - 1.20 MB
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Wales & West Utilities Draft Determination Response September 2020
PDF - 1.81 MB
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Wales & West Utilities RIIO 2 sector specific consultation response March 2019
PDF - 1.30 MB
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Wales & West Utilities Response to RIIO 2 Framework Open Letter Sept 2017
PDF - 0.51 MB
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Wales & West Utilities Customer Engagement Group Draft Determination Response September 2020
PDF - 0.10 MB
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WWU Modern Slavery Statement April 2023- 31 March 2024
PDF - 2.65 MB
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WWU Modern Slavery Statement 1 April 2022 - 31 March 2023
PDF - 3.34 MB
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WWU Modern Slavery Statement 1 April 2021-31 March 2022
PDF - 2.99 MB
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WWU Group Modern Slavery Act Transparency Statement 2018-2019
PDF - 0.15 MB
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Modern Slavery Act
PDF - 0.23 MB
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Drug & Alcohol Policy
PDF - 0.32 MB
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Corporate Social Responsibility Policy
PDF - 0.50 MB
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Polisi'r Gymraeg
PDF - 0.29 MB
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Welsh language policy
PDF - 0.20 MB
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Gender Pay Gap Report 2022
PDF - 7.06 MB
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Gender Pay Gap Report 2021
PDF - 4.99 MB
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Gender Pay Gap Report 2019
PDF - 1.84 MB
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Gender Pay Gap Report 2018
PDF - 0.59 MB
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Gender Pay Gap Report 2017
PDF - 0.25 MB
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Retention Strategy V2 (002).docx
PDF - 5.96 MB
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WWU Employer of Choice Secondary Research - Findings report v1 (003) 1.pdf
PDF - 0.39 MB
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Better Wellbeing Strategy .pdf
PDF - 0.50 MB
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Inclusion Equity and Diversity Strategy - March 23.pdf
PDF - 0.51 MB
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WWU Employer of Choice Qualitative Follow-up - Findings report v1.pdf
PDF - 0.71 MB
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EUS_Horizon scan of Gas_FINAL.pdf
PDF - 1.23 MB
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Our future of energy research
For more information on the cutting edge research and developments from our team on the future of the energy system in the UK – and how we can deliver energy that is affordable, reliable and sustainable.