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Output over the last 7 days
About Sloy
Sloy is a hydro power station at Inveruglas on Loch Lomond, in Argyll and Bute. It was commissioned in 1950.
Elexon registers its 4 balancing mechanism units at 172 MW in all, but DUKES 5.11, the government's list of power stations, gives it 152.5 MW, and that is the capacity this page uses (153 MW to the nearest MW). Every half hour each unit tells the grid how much it will generate (its physical notification): that is the live figure above, and GridMonkey records it every half hour for the chart.
Hydro stations run on rivers and reservoirs, most of them in the Scottish Highlands. How much they generate depends on the rain and on when the grid needs them.
| Type | Hydro |
|---|---|
| Capacity | 152.5 MW (DUKES 5.11) |
| Registered capacity | 172 MW (Elexon) |
| Commissioned | 1950 (DUKES 5.11) |
| Area | Argyll and Bute |
| Location | At Inveruglas on Loch Lomond, in Argyll and Bute 56.250° N, 4.710° W |
| Owner or operator | SSE |
| Elexon lead party | SSE Generation Ltd |
| BM units | M_SLOY-1 50 MW, T_SLOY-2 41 MW, T_SLOY-3 41 MW, M_SLOY-4 40 MW |
| Size | The largest of the 15 hydro power stations on GridMonkey's list |
Other hydro power stations
- Glendoe 100 MW, Highland
- Conon hydro scheme 95 MW, Highland
- Beauly hydro scheme 94 MW, Highland
- Lochaber 80 MW, Highland
- Clunie hydro scheme 76 MW, Perth and Kinross
- Errochty 76 MW, Perth and Kinross
- Moriston hydro scheme 74 MW, Highland
- Fasnakyle 69 MW, Highland
- Killin hydro scheme 63 MW, Stirling and Perth and Kinross
- Rheidol hydro scheme 50 MW, Ceredigion
- Clachan 43 MW, Argyll and Bute
- Garry hydro scheme 40 MW, Highland
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Contains BMRS data © Elexon Limited copyright and database right 2026 (licence). Station names, areas and owners or operators come from GridMonkey's own table, matched to the units in Elexon's register; a station's output here is its physical notification, not metered generation. Capacity, year commissioned and location: Power stations in the United Kingdom (DUKES 5.11) (Department for Energy Security and Net Zero, May 2026). Contains public sector information licensed under the Open Government Licence v3.0.