Hydro
- Thread starter wilber
- Start date
Y Fan Wen
Member
- Location
- N W Snowdonia
FIT is between 7 and 8p per unit. I'm still in negotiation with my manufacturer to upgrade the 1970s set to make it eligible (12-15kw). Cost will be around 25k and, going on current performance, annual return will be about 5k. If it was all brand new including penstock then cost would be 35-40k.
renewablejohn
Member
- Location
- lancs
Depends whether you have 3 phase connection for export. Red tape is still the biggest hurdle.
3 phase not far away it has very good flow but i orginally wasnt sure of the head, however walking up the river i think there could be more than i orignally thought. It also has an old concrete dam which is half still their (looks like someone pulled it down) as its something to do with the old estate the land once belonged to.
Can anyone reccomend a decent company to contact?
Can anyone reccomend a decent company to contact?
Y Fan Wen
Member
- Location
- N W Snowdonia
I agree about the red tape. Back in the 70s you jfdi. I have an historic open ended license but all new ones issued are time limited. Doesn't mean they can't just withdraw mine any time they like either!
Gilbert Gilkes & Gordon
Kendal
Evans Engineering
Launceston
Post some pics of the site and a map reference.
Gilbert Gilkes & Gordon
Kendal
Evans Engineering
Launceston
Post some pics of the site and a map reference.
renewablejohn
Member
- Location
- lancs
I find the projects need to be very big for Gilkes to be interested and some people have been let down by Evans but worth getting a quote off both.
renewablejohn
Member
- Location
- lancs
Y Fan Wen
Member
- Location
- N W Snowdonia
Gilkes did sell quite small Turgos, one or two of which can be seen on youtube. Have they given up on those types of schemes?
renewablejohn
Member
- Location
- lancs
Was speaking to them at the All Energy show in Glasgow and they where really not interested in the small turbines which was comfirmed by comparing prices to others at the show.
renewablejohn
Member
- Location
- lancs
Anything over 1 mtr can easily work a turbine obviously the bigger the head and flow the more output you get.
If you go on the powerspout site there is a power calculator giving a good guide on likely power for a given head and flow.
newhollandfarmer
Member
- Location
- North Wales
Does anyone know on average how much water you would be potentially allowed to extract from a stream to power one? I seem to recall its 25%?
renewablejohn
Member
- Location
- lancs
Can be 100% if you have a dam which you can regulate.
newhollandfarmer
Member
- Location
- North Wales
Is that something that the environment agency would approve?
renewablejohn
Member
- Location
- lancs
Definitely if you can justify on grounds of flood prevention. It was the EA which recommended putting in the surge pools to stop our stream from flooding the house.
newhollandfarmer
Member
- Location
- North Wales
Though as much, bet it costs a few quid to get it done to. I did a basic calculation as follows;
Cross section of the stream is 0.4M/squared. (approx)
Average estimated velocity is 0.5M/second.
Therefore 0.4 x 0.5 = 0.2cuM/second (200Ltrs) X 0.25 (extraction Allowance) = 50 ltrs/second.
Head is 100M
so that equates to;
50x100x9.81 = 49050 Watts @ 60% efficency that's 29430 Watts/1000 = 29.43Kw x 0.07 (FIT) = £2.060 Hr.
£48.96 a day
£342.72 Week
£17821 P/a
all depends on the amount that can be extracted though.
Cross section of the stream is 0.4M/squared. (approx)
Average estimated velocity is 0.5M/second.
Therefore 0.4 x 0.5 = 0.2cuM/second (200Ltrs) X 0.25 (extraction Allowance) = 50 ltrs/second.
Head is 100M
so that equates to;
50x100x9.81 = 49050 Watts @ 60% efficency that's 29430 Watts/1000 = 29.43Kw x 0.07 (FIT) = £2.060 Hr.
£48.96 a day
£342.72 Week
£17821 P/a
all depends on the amount that can be extracted though.
newhollandfarmer
Member
- Location
- North Wales
Thanks for you input, I don't think it can be justified for flood prevention its way off the beaten track.