Here is the ESB’s Notifications page, with info on the rate of discharge from its hydroelectric dams and weirs. Today (14 December 2015) Parteen Villa Weir is discharging 440 cumecs (cubic metres per second or, roughly, ton[ne]s per second down the original course of the Shannon. That’s 44 times the 10 cumec usually discharged and more than replaces the 400 cumec diverted through the headrace to the Ardnacrusha power station. The Shannon is therefore running at its pre-Ardnacrusha levels and the Falls of Doonass have regained their power.
Of course if Ardnacrusha didn’t exist, its 400 cumec would be coming down the original course of the Shannon on top of the 440 cumec already there, which would make for interesting levels of flooding.
That ESB page has a link to this infographic, which shows the sort of information I was trying to get across here. I usually start from Leitrim [village]; the ESB starts slightly further upstream at Lough Allen. Note that the Shannon’s few locks are concentrated upstream of Lough Ree: between them and Killaloe are only two locks, at Athlone and Meelick, so the river’s fall is very slight.
Update 2018: the ESB has a new page with lots of interesting information here.
Posted in Ashore, Built heritage, Canals, Drainage, Economic activities, Engineering and construction, Extant waterways, Industrial heritage, Ireland, Modern matters, Operations, Safety, Shannon, waterways, Waterways management, Weather
Tagged Ardnacrusha, Athlone, cumec, ESB, Falls of Doonass, flood, Killaloe, Leitrim, lock, Lough Allen, Lough Ree, Meelick, Parteen Villa Weir, power station, river, Shannon
Northern Ireland Assembly question here.
Posted in Economic activities, Engineering and construction, Extant waterways, Foreign parts, Industrial heritage, Ireland, Irish waterways general, Natural heritage, Operations, Politics, The fishing trade, Uncategorized, waterways
Tagged eels, elvers, Erne, ESB, Ireland, Northern Ireland Assembly, power station
The Sunday Business Post [paywall] reports that a British energy firm called SSE plc [formerly Scottish and Southern Energy plc], which already owns Airtricity, intends to buy Endesa Ireland. SSE’s press release is here.
Endesa owns the power stations at Tarbert, on the Shannon Estuary, and Great Island, at the junction of the Barrow and Suir estuaries; both are covered on this website. Endesa also owns a power station at Rhode, near the Grand Canal, and one in Co Mayo. It seems that SSE will also acquire options on sites at Lanesborough and Shannonbridge.
Posted in Ashore, Economic activities, Engineering and construction, Extant waterways, Industrial heritage, Ireland, Irish waterways general, shannon estuary, The turf trade, waterways
Tagged Barrow, Endesa, energy, Grand Canal, Great Island, Ireland, power station, Rhode, Shannon, SSE, Suir, Tarbert, turf, waterways
The waterway power stations are back in the news again.
Posted in Ashore, Built heritage, Economic activities, Engineering and construction, Extant waterways, Ireland, Non-waterway, Operations, Shannon, Suir, waterways
Tagged Endesa, ESB, estuary, Great Island, power station, Shannon, Suir, Tarbert, waterways
Great Island from downstream
According to the Sunday Business Post [paywall], an American venture capitalist firm and a Singaporean company have considered buying the Tarbert (Shannon Estuary) and Great Island (Suir Estuary) power stations from Endesa, which bought them from the ESB. Endesa had intended to invest in its Irish operations, but it was taken over by an Italian company, Enel, in 2009; Enel wrote down the value of the Irish assets and wants to sell them off.
Tarbert from the ferry
Posted in Ashore, Built heritage, Charles Wye Williams, Economic activities, Engineering and construction, Extant waterways, Industrial heritage, Ireland, shannon estuary, Suir, waterways
Tagged Endesa, Enel, estuary, Great Island, Ireland, power station, Shannon, Suir, Tarbert
… just some of the things you can see from the Killimer to Tarbert ferry.
Actually, I lied about the weirs, but they were there once. As were the salmon.
Posted in Ashore, Built heritage, Charles Wye Williams, Economic activities, Engineering and construction, Extant waterways, Industrial heritage, Ireland, Irish inland waterways vessels, Irish waterways general, Natural heritage, Non-waterway, Operations, Scenery, shannon estuary, Sources, Steamers, The cattle trade, The fishing trade, The turf trade, Tourism, waterways, Waterways management, Weather
Tagged battery, boats, Clare, Endesa, ESB, estuary, ferry, flow, fort, Ireland, jetties, Kerry, Kilkerin, Killaloe, Killimer, Kilrush, lighthouse, Limerick, Napoleon, Operations, power station, quay, redoubt, Shannon, Tarbert, Tarbert Race, Tarbert Roads, vessels, waterways, weir, workboat
The chimneys of the power station at Shannonbridge, on the river Shannon between Lough Ree to the north and Lough Derg to the south, have for many years been a landmark: visible from a long way away in both directions on the Shannon and on its tributary the Suck as well. They were demolished last week. I have put up a page of photographs as a reminder of what they looked like and to mark their passing.
Posted in Extant waterways, Irish waterways general, Scenery, The turf trade
Tagged Bord na Mona, chimney, Ireland, narrow-gauge, peat, power station, railway, Shannon, Shannonbridge, Suck, turf