# What is kWh

GreenBTC.Club issues the ERC-20 token KWH by burning ART (1 ART -> 1000 KWH) in a one-way behavior. This eliminates the overhead of maintaining the bi-directional mapping of ART and AREC and thus, lowers the gas fee. KWH, standing for Kilo-Watt Hour, is used in GreenBTC.Club as a light weight green asset for all greening activities.

| Token | address                                                                                                                | price  |
| ----- | ---------------------------------------------------------------------------------------------------------------------- | ------ |
| kWh   | [0x5740a27990d4aaa4fb83044a6c699d435b9ba6f1](https://polygonscan.com/token/0x5740a27990d4aaa4fb83044a6c699d435b9ba6f1) | 0.01 U |


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