Navitron Renewable Energy and Sustainability Forum

WIND TURBINES => Wind Turbines and associated systems => Topic started by: nowty on November 09, 2018, 05:49:15 PM



Title: Gridwatch - Finally a new Wind Record
Post by: nowty on November 09, 2018, 05:49:15 PM
After expecting some records over the summer with the odd storm and being disappointed because of all the wind curtailment, we seem to have hit a new record today.

Colder weather and less solar seem to have reduced the curtailment on the wind generation and we hit 11.47GW at 15:34 today.

Currently still very high at 11.34GW. 


Title: Re: Gridwatch - Finally a new Wind Record
Post by: nowty on November 09, 2018, 06:13:06 PM
And a new record !

11.58GW now  :snow

Edit - Now at 18:44 its 11.60GW  :snow :snow


Title: Re: Gridwatch - Finally a new Wind Record
Post by: stannn on November 09, 2018, 07:10:10 PM
Nowty, on energynumbers.info/gbgrid itís currently 12.9GW.
Stan


Title: Re: Gridwatch - Finally a new Wind Record
Post by: sbchapman on November 09, 2018, 07:57:05 PM
Trying to figure out where energynumbers get their data from - the National Grid website has split with the ESO site. If you check BMreports, they back nowty's numbers, see  https://www.bmreports.com/bmrs/?q=generation/fueltype (https://www.bmreports.com/bmrs/?q=generation/fueltype):

2018-11-09   38   2018-11-09 18:40:00   13149   0   1894   6276   11632   781   701   0   0   1998   0   1028   0   2272   0
2018-11-09   38   2018-11-09 18:45:00   13145   0   1841   6277   11658   708   704   0   0   1997   0   1028   0   2267   0
2018-11-09   38   2018-11-09 18:50:00   13077   0   1837   6276   11685   689   702   0   0   1997   0   1027   0   2275   0



Title: Re: Gridwatch - Finally a new Wind Record
Post by: nowty on November 09, 2018, 09:39:39 PM
As demand is now dropping and wind is still near record, gas is now dropping down to 7.5GW now.

The question is will we hit a new low for gas before the wind is curtailed ?


Title: Re: Gridwatch - Finally a new Wind Record
Post by: azps on November 10, 2018, 06:31:07 AM
Trying to figure out where energynumbers get their data from - the National Grid website has split with the ESO site. If you check BMreports, they back nowty's numbers, see  

BMReports only has the windfarms that are directly connected to the transmission grid, and are operationally metered individually by National Grid, so those are always underestimates. My EnergyNumbers figures combine those with the National Grid estimates of embedded wind.


Title: Re: Gridwatch - Finally a new Wind Record
Post by: brackwell on November 10, 2018, 07:07:43 AM
The inclusive fig looks low as the embedded capacity is nearew an additional 40% ??

During the night the nat grid wind might have touched 40% of total transmitted leccy which could put it at 50% included embedded.  Pretty good.

Ken


Title: Re: Gridwatch - Finally a new Wind Record
Post by: nowty on November 10, 2018, 06:35:55 PM
I looked back at the historic gridwatch data for last night and the highest wind generation was 11.72GW at 19:20.  :snow :snow :snow

So that's now the gridwatch highest wind benchmark to beat.


Title: Re: Gridwatch - Finally a new Wind Record
Post by: azps on November 10, 2018, 11:00:03 PM
The inclusive fig looks low as the embedded capacity is nearew an additional 40% ??

During the night the nat grid wind might have touched 40% of total transmitted leccy which could put it at 50% included embedded.  Pretty good.

Ken

Wind hit a new generation record on the 9th November, of 14.5 GW.

The async share (wind + PV + interconnectors) has been up to 59.3%, from my calcs - that was back in July this year. And yeah,  on the night of the 9th Nov, it was over 50% from 10pm. It's exceeded 50% in 356 half-hour periods in total, now. And that's something that a few years ago the doubters were saying would be unmanageable, ever.


Title: Re: Gridwatch - Finally a new Wind Record
Post by: GarethC on November 11, 2018, 08:47:32 AM
Good news, and hopefully more records over winter?

Offshore is still a smallish proportion, isn't it? I've been meaning to check the capacity factors of newer offshore farms to understand what kind of capacity factors total output will trend towards.


Title: Re: Gridwatch - Finally a new Wind Record
Post by: stannn on November 11, 2018, 10:23:32 AM
https://www.offshorewind.biz/2018/03/19/uk-national-grid-logs-new-wind-energy-record/


Title: Re: Gridwatch - Finally a new Wind Record
Post by: azps on November 11, 2018, 12:02:26 PM
Good news, and hopefully more records over winter?

Offshore is still a smallish proportion, isn't it? I've been meaning to check the capacity factors of newer offshore farms to understand what kind of capacity factors total output will trend towards.

Glad you asked:

http://energynumbers.info/uk-offshore-wind-capacity-factors


Title: Re: Gridwatch - Finally a new Wind Record
Post by: stannn on February 11, 2019, 08:02:08 PM
https://www.renewableuk.com/news/437728/New-wind-energy-generation-record-keeps-Britain-powered-up-.htm


Title: Re: Gridwatch - Finally a new Wind Record
Post by: GarethC on February 12, 2019, 07:36:41 AM
Coupled with the Hornsea news, think we might expect something nearer 16GW by next winter. Wish the build out were faster.


Title: Re: Gridwatch - Finally a new Wind Record
Post by: dan_b on March 07, 2019, 12:19:41 PM
Wind at 14.5GW at the moment according to Grid Energy Numbers - must be a bit breezy out there in the sea


Title: Re: Gridwatch - Finally a new Wind Record
Post by: azps on March 07, 2019, 01:15:33 PM
Wind at 14.5GW at the moment according to Grid Energy Numbers - must be a bit breezy out there in the sea

Yup, lots of greenish-yellow around the UK on Ventusky right now https://www.ventusky.com/?p=53.6;1.4;4&l=wind-10m which means windspeeds around 12-15 m/s , which is within the sweet range (12-25 m/s) for max power output.

More, including generation at individual farms, at https://www.thecrownestate.co.uk/en-gb/our-places/asset-map/#tab-2 - currently 17.8% of UK power coming from offshore wind.


Title: Re: Gridwatch - Finally a new Wind Record
Post by: Nickel2 on March 09, 2019, 01:49:17 PM
Today is a good renewables day; wind + solar = over 53% of total grid demand:
http://electricinsights.co.uk/#/dashboard?category=weather-dependent&&_k=gapjgh


Title: Re: Gridwatch - Finally a new Wind Record
Post by: nowty on March 10, 2019, 04:08:59 PM
This week looks good for records, I don't think I have ever seen such a consistent windy forecast for the whole UK and it lasts for the whole week.  :snow


Title: Re: Gridwatch - Finally a new Wind Record
Post by: azps on March 14, 2019, 07:38:51 AM
This week looks good for records, I don't think I have ever seen such a consistent windy forecast for the whole UK and it lasts for the whole week.

Spot on. We've just broken the record for highest average wind generation over a rolling 1-week period (336 consecutive half-hours) - 11.1 GW and still rising. Highest previous was 10.5 GW. This gets added to the four other records that 2019 had already broken:

1. highest share of wind generation on the grid, 49.8%, 13 Jan

2. highest share of interconnectors on the grid 15.8%, 24 Feb

3. highest absolute wind generation, 15.3 GW, 8 Feb

4. highest share of asynchronous generation (wind+solar+interconnectors) on the grid, 63.6%, 9 March


Title: Re: Gridwatch - Finally a new Wind Record
Post by: brackwell on March 14, 2019, 08:02:44 AM
this may mean that wind has been the largest producer for a whole working week ?  Thats got to be notable. Dont know where to look to check this out.
Ken


Title: Re: Gridwatch - Finally a new Wind Record
Post by: azps on March 14, 2019, 01:30:12 PM
this may mean that wind has been the largest producer for a whole working week ?  That's got to be notable. Don't know where to look to check this out.

Yes, it does.

This is only the second block of time that that's happened. there was a very windy stretch from 14-24 Sep last year when wind was the single largest producer for a whole week (336 consecutive half hours), so we can pick any week-long period in that block and wind was the largest producer.

The current very windy block started on 5 March at 18:00, so we can pick any week-long period since 12 March 18:00 and wind was the largest producer for that full week.

For the week ending midnight just gone, on average wind generated 11.2 GW, CCGTs generated 10.4 GW, nuclear 5.5 GW, PV 1.2 GW, coal 0.7 GW, (edit: and 0.7 GW interconnectors, plus a bit from run-of-river hydro and other)


Title: Re: Gridwatch - Finally a new Wind Record
Post by: stannn on March 15, 2019, 06:49:10 PM
https://www.businessgreen.com/bg/news/3072678/windy-week-wind-turbines-deliver-more-than-a-third-of-uk-power


Title: Re: Gridwatch - Finally a new Wind Record
Post by: oliver90owner on March 15, 2019, 07:15:14 PM
Wind has certainly been good this last week and may be even better if it lasts another couple of days at close to 10GW (per Gridwatch). 

I am more interested in low carbon generation which includes nuclear (they are there, so actual current generation is low carbon)

I seem to under-estimate solar - I add up the daily peaks, divide by two and guess the generation time frame (about ten hours per day at present?).  This last week only came out to about 0.9GW by my rough estimate.

I include hydro (not pumped, mind, which is sub-fossil fuel effectively), but donít like to include biomass (because of the wood burning generation).

What is your website addy, AZPS?


Title: Re: Gridwatch - Finally a new Wind Record
Post by: azps on March 15, 2019, 08:34:36 PM
What is your website addy, AZPS?

http://grid.energynumbers.info/ for mobile

http://energynumbers.info/gbgrid for desktop

But all the stats are just on my own pc and what I post here, or occasionally on twitter


Title: Re: Gridwatch - Finally a new Wind Record
Post by: dan_b on March 15, 2019, 08:36:29 PM
Are those figures the average power output? How many GWh for each source over the week?