Also I've been surprised by wikipedia on enery storage, in particular by the claim that flywheels could store 130 Wh/kg and release at 90% efficiency. 1 cubic meter of water elevated 100 meters = 0.272 kWh. There's a collection of Fuel Cells described too.
My home consumption over the past 8 years has been on average 470 W, so 12 kWh per day, in other quantities a day of my electricity consumption is :
The last one is interesting. Any good source on price and Wh per kg of various energy storage facilities?
The US Energy Information Agency has a large amount of information. The specific country info is updated on an irregular basis so you'll get anything from very up to date figures to ones several years out of date, the amount and type of detail also varies pretty widely. Run your mouse over the map, you'll get drop down menus, click, and keep on clicking for details.
from here where expected 2025 numbers can be found as well. In the long run, we're all dead. John Maynard Keynes
But I think way too many people (including libertarians, Republicans, and Democrats) categorize too much government spending as burning-the-money. Well, to put it mildly: I disagree with that. I am far less concerned with the money than I am with what we get for the money: if it's a bad investment, we should refuse to spend any money on it--neither taxpayer money, nor borrowed money; if, however, it's a good investment that falls into one of the green smiley-face boxes above, we should spend the money without hesitation, regardless of whether we finance that spending by taxing money from ourselves or by borrowing it from willing lenders. I've said that a hundred times before, and I'll keep saying it again and again.
Looks like the debat2007 folks should read this guy blog more often.
Measuring gov debt without private and corporate debt and without measuring what we get for the government debt is idiotic.
May be we need to spread the word in France ...
The BHE6 is about 7 Wh/kg (810 kg for 6 kWh) though. The 25 kWh model is at 17 Wh/kg (1429 kg). The matrix is a bit less efficient on this measure at 14 Wh/kg.
We're far from wikipedia claim here.
