Backtrack a little: you're comparing solar to the cost of running a diesel generator in Italy, paying $4.725/gal. You don't want to do that, don't mine in Italy with a diesel generator. Because Chinese miners are paying $.03/KWh, you'll go broke on diesel or solar.
You're focusing on little things, the point is we aren't talking about china being the only miners, and it really doesn't matter what china is paying t mine. What matters to miners is if it is profitable for them to mine, and if the electric cost seems to expensive where they live but yet they want to mine and are willing to put up an investment for solar panels it can definitely work and work decently.
But mining on solar, diesel, or even grid power across most western countries *is* unprofitable. That's why Bitcoin is mined in places like China and Iceland (where bitcoin use isn't even legal). The solar panels *will never pay for themselves*. Mining on grid power, which is constant, doesn't require batteries and inverters and stuff, and is far cheaper, still doesn't make sense. *That's why it's not done much.*
Did you not read the math I just had posted, US electric power a standard rate being .13kwh on grid, say you are mining a total of 7kwh worth a day and plan to mine for 5 years you will pay either $.91 (91 cents) each day. ($332.15 a year) ($1660.75 for 5 years) or $1100 for the solar setup. The solar panels have paid for themselves in this set up.
No one is mining in US @ $.13, not bitcoin, not for profit, that's crazy talk.
Mining is done in China, @ $.03
You talk about $1100 for the solar setup, which works only when the sun shines. NO ONE CURRENTLY MINES ON SOLAR, they're lying to you if they say they do.
In short, please provide some actual data (hardware, specs, miners currently mining with solar power) I can verify for myself, as in links, or this is pointless.
