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fix units

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Carl Larson 2018-02-09 18:29:26 +00:00
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EIPS/eip-858/calculations.md
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| Power/Hashrate |P<sub>H</sub> | 3.54 | W*s/MH | http://www.legitreviews.com/geforce-gtx-1070-ethereum-mining-small-tweaks-great-hashrate-low-power_195451, https://www.reddit.com/r/ethereum/comments/7vewys/10000_tons_co2_per_day_and_climbing_eip_858/dtrswyz/ |
## Network Power Consumption (P<sub>Network</sub>)
## Network Power Consumption (P<sub>N</sub>)
A baseline value for network power consumption can be found by multiplying the total network hashrate with a "best case" value for the power/hashrate ratio that a miner can achieve.
P<sub>N</sub> = H<sub>N</sub> x P<sub>H</sub>
P<sub>N</sub> = 232001 (GH/s) x 3.54 (W*s/MH) x 1000 (GH/MH) / 10^6 (W/MW)
P<sub>N</sub> = 821 MW
> P<sub>N</sub> = H<sub>N</sub> x P<sub>H</sub>
>
> P<sub>N</sub> = 232001 (GH/s) x 3.54 (W*s/MH) x 1000 (MH/GH) / 10^6 (W/MW)
>
> P<sub>N</sub> = 821 MW
As a side note, people often confuse power (W) and energy (power x time, eg. Wh). For instance, assuming an average daily P<sub>Nd</sub> of 821 MW we can calculate that days Energy consumption by multiplying by the number of hours in a day.
E<sub>Nd</sub> = P<sub>Nd</sub> x T<sub>d</sub>
E<sub>Nd</sub> = 821 (MW) x 24 (h/d) / 1000 (GW/MW)
E<sub>Nd</sub> = 19.7 GWh
> E<sub>Nd</sub> = P<sub>Nd</sub> x T<sub>d</sub>
>
> E<sub>Nd</sub> = 821 (MW) x 24 (h/d) / 1000 (GW/MW)
>
> E<sub>Nd</sub> = 19.7 GWh
## Network CO2 contribution