# How to buy kWh

The kWh needed for greening in GreenBTC can be acquired in the swap tool.

**How to Swap** 

Go to <https://www.greenbtc.club/swap> or navigate to the Swap tab on the Green BTC overview

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You can swap and acquire kWh using AR&#x54;*, USDT, USDC.e (* ART can be redeemed from issuance of miners, special sales or campaigns. More info here)

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