REG - Water Services Auth - Final determinations: Blind-year adjustment 24-25

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RNS Number : 8940K  Water Services Regulation Authority  10 December 2025

 

 

 

 Information note

 Ofwat publishes final determinations for blind-year adjustment 2024-25

 For immediate release

 Ofwat has today published its final determinations for the blind-year
 adjustment. These set out changes to the revenue and RCV adjustments made in
 companies' PR24 final determinations to adjust for:

 ·      the difference between companies' actual and forecast performance
 for 2024-25 on their PR19 reconciliation mechanisms; and

 ·      the correction of PR24 final determination unambiguous errors.

 The final determinations also set out which price controls these adjustments
 apply to and whether the adjustments will be made 'in period' (applied
 during 2025-30) or as part of the 2029 price review process (applied from 1
 April 2030).

 Links to the relevant decision documents will be published here: Blind year
 for 2024-25 - final determinations - Ofwat
 (https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ofwat.gov.uk%2Fregulated-companies%2Fprice-review%2F2024-price-review%2Fblind-year-reconciliation-for-2024-25%2Fblind-year-final
 -determinations%2F&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7C7d93aa347f88465a136208de37128d01%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C639008749976688386%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=lM8HmSWOu09trmHHD%2FQdKuj%2Fh4hbuf3frkWZHi0HpWY%3D&reserved=0)

 Centre City Tower, 7 Hill Street, Birmingham B5 4UA 11

 Westferry Circus, Canary Wharf, London E14 4HD

 Media - Ofwat
 (https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ofwat.gov.uk%2Fnews-centre%2Fmedia%2F&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148215999612%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=Hdyd%2FYnG2r7TybcV98jdIdfX3ex5066jv8slrHeCsyg%3D&reserved=0)
 | PressOfficeTeam@ofwat.gov.uk (mailto:PressOfficeTeam@ofwat.gov.uk) | Phone:
 0121 644 7500

 www.ofwat.gov.uk
 (https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ofwat.gov.uk%2F&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148216019873%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=yFbFsEMQaQ93nyoQuyIn7LsxVcih5eC7wJRJGXzPF0Y%3D&reserved=0)
 | X.com/Ofwat
 (https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2Fofwat&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148216035243%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=UNExGXSaOvagg8O687Me15eurdsYxXupf5%2B55R6e7qE%3D&reserved=0)
 | LinkedIn.com/Ofwat
 (https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fofwat%2F&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148216046792%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=d%2BIijljSD%2B5J1r8C%2BnOhfaXF8bG4BjRmINz5bc7PXjU%3D&reserved=0)
 | Instagram.com/Ofwat
 (https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.instagram.com%2FOfwat&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148216058219%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=oJYASqjbU9ZGVg0aQQYKvM%2BxhHbU3dOVWm4t0YFw2Dk%3D&reserved=0)

 

 

Information note

 

Ofwat publishes final determinations for blind-year adjustment 2024-25

 

For immediate release

 

Ofwat has today published its final determinations for the blind-year
adjustment. These set out changes to the revenue and RCV adjustments made in
companies' PR24 final determinations to adjust for:

 

·      the difference between companies' actual and forecast performance
for 2024-25 on their PR19 reconciliation mechanisms; and

·      the correction of PR24 final determination unambiguous errors.

 

The final determinations also set out which price controls these adjustments
apply to and whether the adjustments will be made 'in period' (applied
during 2025-30) or as part of the 2029 price review process (applied from 1
April 2030).

 

Links to the relevant decision documents will be published here: Blind year
for 2024-25 - final determinations - Ofwat
(https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ofwat.gov.uk%2Fregulated-companies%2Fprice-review%2F2024-price-review%2Fblind-year-reconciliation-for-2024-25%2Fblind-year-final-determinations%2F&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7C7d93aa347f88465a136208de37128d01%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C639008749976688386%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=lM8HmSWOu09trmHHD%2FQdKuj%2Fh4hbuf3frkWZHi0HpWY%3D&reserved=0)

 

Centre City Tower, 7 Hill Street, Birmingham B5 4UA 11

Westferry Circus, Canary Wharf, London E14 4HD

 

Media - Ofwat
(https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.ofwat.gov.uk%2Fnews-centre%2Fmedia%2F&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148215999612%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=Hdyd%2FYnG2r7TybcV98jdIdfX3ex5066jv8slrHeCsyg%3D&reserved=0)
| PressOfficeTeam@ofwat.gov.uk (mailto:PressOfficeTeam@ofwat.gov.uk) | Phone:
0121 644 7500

 

www.ofwat.gov.uk
(https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.ofwat.gov.uk%2F&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148216019873%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=yFbFsEMQaQ93nyoQuyIn7LsxVcih5eC7wJRJGXzPF0Y%3D&reserved=0)
| X.com/Ofwat
(https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Ftwitter.com%2Fofwat&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148216035243%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=UNExGXSaOvagg8O687Me15eurdsYxXupf5%2B55R6e7qE%3D&reserved=0)
| LinkedIn.com/Ofwat
(https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fofwat%2F&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148216046792%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=d%2BIijljSD%2B5J1r8C%2BnOhfaXF8bG4BjRmINz5bc7PXjU%3D&reserved=0)
| Instagram.com/Ofwat
(https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.instagram.com%2FOfwat&data=05%7C02%7CKris.Kowalewski%40ofwat.gov.uk%7Cdcb35dc6caa243a4931d08de188307bc%7C42a92f0e996a41b285123ed237ab8313%7C0%7C0%7C638975148216058219%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=oJYASqjbU9ZGVg0aQQYKvM%2BxhHbU3dOVWm4t0YFw2Dk%3D&reserved=0)
 

 

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