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[jdknedyy2w]

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[FUBAR-BDHR]

That is a real tossup there.  I ran a quick calculation though my IRC bot.:

Code:

At the current BTC price of 419.50 USD a miner/hardware that cost 750.00 USD with a 
hashrate of 4.70 thps that uses 1400 watts at 0.03 USD/kWh will 
ROI in an estimated 1 year, 15 weeks, 1 day, 10 hours, 50 minutes, and 0 seconds

I guessed on shipping but that's an s7, and psu.  Now at even an average of a 2.5% difficulty increase:

Code:

At the current BTC price of 419.45 USD and an average difficulty increase of 2.50% 
a miner/hardware that cost 750.00 USD with a hashrate of 4.70 thps that uses 1400 watts at 0.03 USD/kWh 
will not make ROI as your miner will become unprofitable after earning 512.47 in 48 weeks, 0 days, 0 hours, 10 minutes, and 0 seconds/code]

[philipma1957]

Hey Bitcoin miners out there!,

I was wondering to mine bitcoin w/ Antminer S7 x1 and i'm not good at kWh but is this good electricity bill for mining bitcoin

2,5c per kWh  

Yes it should earn money until the 1/2 ing.

Once the  1/2 ing
comes no one knows what will happen


The 1/2 ing comes about July 10

I would have no fear buying 1 or 2 s-7s to get in the game. If my power was  2.5 usd cents


Always spend no more then you are willing to lose in this fame or any other game.

[leowonderful]

You should be close to ROI if difficulty doesn't spike tremendously like 2015, which is a possibility with the new bitfury miners soon coming out. Even though the halving is coming soon you should make a profit, and that's not counting the nearly certain price spike when the halving comes, which'll bring the block reward to 12.5, which will raise the price by a few hundred dollars most likely. Difficulty? My guess is it's going to rise A LOT because of 1. Bitfury's supposedly world-changing efficiency which will destroy this generation of miners and 2. Price and difficulty go hand in hand. Higher price usually means higher difficulty, even though as well as block reward going down, profitability will also go down. 2.5cents/kWh is a great price to have for electricity and once the new bitfury miners come out, hop on the bandwagon. You'll make a lot of bitcoin!

[Amph]

yeah it's good but there is not much of a different between 2.5 cent and the usual 5 cent, one save you $45 per month, the former save you half of it, so unless you have a very big farm you will not notice it with 1-2 antminer s7

[jdknedyy2w]

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[jdknedyy2w]

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[eyeknock]

That is a real tossup there.  I ran a quick calculation though my IRC bot.:

Code:

At the current BTC price of 419.50 USD a miner/hardware that cost 750.00 USD with a 
hashrate of 4.70 thps that uses 1400 watts at 0.03 USD/kWh will 
ROI in an estimated 1 year, 15 weeks, 1 day, 10 hours, 50 minutes, and 0 seconds

I guessed on shipping but that's an s7, and psu.  Now at even an average of a 2.5% difficulty increase:

Code:

At the current BTC price of 419.45 USD and an average difficulty increase of 2.50% 
a miner/hardware that cost 750.00 USD with a hashrate of 4.70 thps that uses 1400 watts at 0.03 USD/kWh 
will not make ROI as your miner will become unprofitable after earning 512.47 in 48 weeks, 0 days, 0 hours, 10 minutes, and 0 seconds/code]

and that info is under "0.03 USD/kWh" imagine how many it will cost on some countries with 0.17kwh ( like my own )... mining bitcoin is like a dream in some countries... even with 2,5c per kWh as the OP says is not profitable.

[jdknedyy2w]

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[notlist3d]

Thanks everybody for the asap answers!   and also i did bitcoin calc. If i had x10 - 4.00 (pool fee) - Power Cost

= $1,444.00 Profit (per month)

Make sure you are including difficulty changes on your calculations.   As you really should not have a per month that remains constant.  It should get less and less. 

Difficulty change is what makes it hard to get good numbers on ROI math.  Just a lot to predict for and it's not that easy.   Like phil said till having I don't see any problem with your electricity and mining.     He is right about having would have a big effect (one none know what it will be good or bad).  Also next gen gear could have a big effect.  And we know about as much on that as we do having.... so again hard to speculate long term.

But overall yes 2.5 cents is pretty darn good on electricity.

[jdknedyy2w]

.

[FUBAR-BDHR]

That is a real tossup there.  I ran a quick calculation though my IRC bot.:

Code:

At the current BTC price of 419.50 USD a miner/hardware that cost 750.00 USD with a 
hashrate of 4.70 thps that uses 1400 watts at 0.03 USD/kWh will 
ROI in an estimated 1 year, 15 weeks, 1 day, 10 hours, 50 minutes, and 0 seconds

I guessed on shipping but that's an s7, and psu.  Now at even an average of a 2.5% difficulty increase:

Code:

At the current BTC price of 419.45 USD and an average difficulty increase of 2.50% 
a miner/hardware that cost 750.00 USD with a hashrate of 4.70 thps that uses 1400 watts at 0.03 USD/kWh 
will not make ROI as your miner will become unprofitable after earning 512.47 in 48 weeks, 0 days, 0 hours, 10 minutes, and 0 seconds/code]

and that info is under "0.03 USD/kWh" imagine how many it will cost on some countries with 0.17kwh ( like my own )... mining bitcoin is like a dream in some countries... even with 2,5c per kWh as the OP says is not profitable.

BUT... if you have 10x of those it will be good profit atleast for me

It doesn't matter if you have 1, 10, 100, 1000 of them the result is the same you won't make anything until the initial investment in the miners is made back (ROI) and that won't be for over a year if ever.  The only way you could make money is if the price of bitcoin goes up in which case it makes more sense to just buy and hold.