Their own payment-practices filing · gov.uk
How long does First Hydro Company take to pay its suppliers?
Self-reported figure from their statutory filing. How this is compiled.
On the public register · Companies House
Company record
- Status
- Active
- Type
- Private Unlimited Company
- Incorporated
- 17 Nov 1989
- Registered office
- DINORWIG POWER STATION, GWYNEDD, LL55 4TY
Terms vs reality
Stated terms: 21–61 days. Reported average: 21.
At a glance
The key figures
Vs peers · latest reported averages
The pattern
Getting slower
Average days to pay across their last 6 statutory reports.
Where their supplier invoices land · latest period
The read · computed from their figures
First Hydro Company has filed 17 statutory payment periods (earliest H1 2018). Their latest report puts the average at 21 days against stated terms of 21–61 days.
The direction is slower: from 18 to 21 days over the window — about 3 days slower.
In the latest period 17% of invoices were paid outside their agreed terms, and 5% landed 61+ days out.
What they tell their suppliers
In their own words · from the filing
Standard payment terms
i. the business’ standard payment terms, which must include: Electricity trading related invoices are paid in accordance with the timescales set out in the GTMA. a. the standard contractual length of time for payment of invoices For supplies of goods and services to the power stations and visitor centre, small &/or local suppliers, are paid within 21 days of receipt of a valid invoice. b. maximum contractual payment period and any changes to the standard payment terms in the reporting period All other suppliers are paid within 28 days of receipt of a valid invoice, unless specific alternative terms have been agreed at the contracting stage. c. how suppliers have been notified or consulted on these changes There has been no change to these terms during the reporting period. A
Dispute resolution
ii. the business’ process for resolving disputes related to payment Any disputes are notified to suppliers on receipt of invoice. Invoices are treated as valid and passed for payment within the timescales above when the issues have been resolved.
Every statutory report on record
Most recent first.
| Period | Avg days | Outside terms | 61+ days | Filed |
|---|---|---|---|---|
| H1 2026 | 21 | 17% | 5% | 14 Jul 2026 |
| H2 2025 | 21 | 15% | 8% | 28 Jan 2026 |
| H1 2025 | 22 | 12% | 1% | 9 Jul 2025 |
| H2 2024 | 21 | 9% | 0% | 29 Jan 2025 |
| H1 2024 | 21 | 8% | 0% | 11 Jul 2024 |
| H2 2023 | 18 | 9% | 0% | 16 Jan 2024 |
| H1 2023 | 21 | 10% | 1% | 13 Jul 2023 |
| H2 2022 | 17 | 7% | 19% | 20 Jan 2023 |
| H1 2022 | 20 | 8% | 0% | 20 Jan 2023 |
| H2 2021 | 19 | 7% | 2% | 18 Jan 2022 |
| H1 2021 | 19 | 10% | 2% | 26 Jul 2021 |
| H2 2020 | 23 | 8% | 12% | 25 Jan 2021 |
| H1 2020 | 27 | 22% | 6% | 30 Jul 2020 |
| H2 2019 | 21 | 11% | 2% | 30 Jan 2020 |
| H1 2019 | 22 | 11% | 2% | 29 Jul 2019 |
| H2 2018 | 21 | 8% | 2% | 31 Jan 2019 |
| H1 2018 | 20 | 9% | 0% | 23 Jul 2018 |
Quick answers
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How UK payment reporting works
What is a Payment Practices Report?
What does "paid outside agreed terms" mean?
How often is this data updated?
Is this official government data?
How this is compiled. Built from official records only: Companies House and the gov.uk payment-practices service. The payment figures are self-reported — companies over the size threshold must file them by law and the board signs them off. No credit-agency data. The numbers are theirs; the plain-English read is ours. This is information compiled from public records under the Open Government Licence v3.0 — not a credit rating and not advice.
The 31-day comparison figure is the median across 6,185 companies with a current statutory report — every sector pooled, not an average of sector medians (how the figure is built).
Report PL-02444277 · latest period to 30 Jun 2026
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