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quintel / etsource

Data source for the Energy Transition Model
https://energytransitionmodel.com/
MIT License
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Wind offshore max should not be so ridiculously high #609

Closed dennisquintel closed 10 years ago

dennisquintel commented 10 years ago

Now the max for number of windturbines offshore is calculated as follows:

present:DIVIDE(AREA(offshore_suitable_for_wind),V(energy_power_wind_turbine_offshore, land_use_per_unit))

Which results in a max of 32.000. Since that's 3MW each, we can build 100.000 MW of wind turbines offshore.

Now, if you move the slider by hand, it's really hard to set a values somewhere in the normal range (e.g. 1850 wind turbines, which is the number used in the Energieakkoord).

Possible solutions:

dennisquintel commented 10 years ago

including @AlexanderWirtz

Richard-Deuchler commented 10 years ago

I have the following figures for EU-27: According to European Environment Agency, there is an "Economically competitive potential" for 3,400 TWh for offshore wind in the year 2030. Assuming 3300 full load hours, this translates to a maximum number of units of 345,000 Currently, the slider maximum is 353,535 for EU. -> I am happy with the slider in the EU context.

The Dutch situation is indeed different: [Eneco]:"In the long term (2020 to 2030), the total installed capacity in the Dutch part of the North Sea could increase to 10,000 MW in 2030."

AlexanderWirtz commented 10 years ago

Mark investigated this: a conservative estimate of suitable area is 5700 km2 (10 % of Dutch North Sea). A more optimistic one is the bit of the Dutch North Sea that is < 30 m depth. Then you get 28000 km2.

Assuming an area per 3 MW offshore wind turbine of 0.5km2 (conservative/realistic) this would mean: 5700 / 0.5 x 3 = 34,200 MW or 28000 / 0.5 x 3= 168,000 MW

It seems 100 GW is kind of smack in the middle.

dennisquintel commented 10 years ago

Thank you for the background info, but do we want to change this max or not? If not, then you may close this Issue. :smile:

AlexanderWirtz commented 10 years ago

For now, I say we close this issue. The sliders are useless here indeed, but luckily one can type the number wanted

AlexanderWirtz commented 10 years ago

Far offshore: http://www.energeia.nl/news.php?ID=51145 and http://www.energeia.nl/news.php?ID=53333

Mid 2014 near offshore will be determined