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Comment by burkaman | Hacker News Reader

First of all, did you look at a map? 300 miles from NYC gets you to upstate New York, or western Pennsylvania, or rural West Virginia. Second, NYISO, which covers New York State, already imports lots of power from Quebec, Ontario, New England, and PJM (Pennsylvania, New Jersey, Maryland, Virginia, West Virginia, Ohio, and more).

We do need more transmission (another thing the White House is working on: https://www.whitehouse.gov/briefing-room/statements-releases...), but power import/export over long distances is already commonplace.

Edit: And if you really want to look to the future, you could read the proposal for a North American Supergrid: http://northamericansupergrid.org/

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You say 'did you look at a map' but have you looked at a topographical map? I don't see much room that isn't either protected forests or the Appalachian mountains, in some cases it's both.

Well, I don't know enough about the industry to analyze specific locations, but it's easy to find real-world projects in upstate NY and elsewhere: https://www.solarpowerworldonline.com/2020/03/large-scale-so.... The projects named in that article will apparently get more than halfway to the "11,000 megawatt hours per day" estimate.

Anyway, the more important point is that we already have large regional grids across the country, and while it's obviously nice to have generation and consumption close to each other, it's not a requirement.

Why do you think solar and wind could not be built in the Appalachian mountains? Wind in particular would benefit there. And the mountains are an excellent place to build off-river pumped hydro storage facilities.

Have you looked at a map? I live in NY, and there is absolutely no place for such a massive solar farm.

The numbers I quoted were just for NYC, and they weren’t adjusted for the winter sunlight problem. To power the entire metro area would likely require 40,000 acres. To cover the entire region likely 60,000 acres. This land does not exist.

40,000 acres is roughly 8 miles by 8 miles.

It isn't that big an area in the scheme of things. If you try to find a single place for it it probably won't work of course, but it is a tiny little fraction of the developed land already devoted to New York.

https://www.solarpowerworldonline.com/2020/03/large-scale-so...

New York State is 35 million acres. You don't think 0.2% of that, including rooftops of existing buildings, might be useable for solar/wind/battery storage? And again, NY already uses tons of out-of-state energy.

No, I don’t. Even if it were possible to acquire that much land, and it isn’t, the land isn’t suitable for solar.

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