> For the complete documentation index, see [llms.txt](https://docs.catfee.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.catfee.io/en/energy.md).

# knowledge base

- [What is TRON Energy?](https://docs.catfee.io/en/energy/what-is-tron-energy.md): What is TRON Energy?
- [Why Rent Energy on the TRON Network?](https://docs.catfee.io/en/energy/why-rent-energy.md): Why to buy energy on the TRON network?
- [How to fix тАЬOUT OF ENERGYтАЭ error on TRON Transfers?](https://docs.catfee.io/en/energy/how-to-fix-out-of-energy-error-on-tron-transfers.md)
- [Why CanтАЩt You Use a Centralized Exchange (CEX) Wallet to Buy TRON Energy?](https://docs.catfee.io/en/energy/why-not-use-cex-wallet-to-buy-energy.md)
- [What is a Centralized Exchange (CEX)?](https://docs.catfee.io/en/energy/what-is-centralized-exchange.md)
- [How Much Energy and Bandwidth Does a USDT Transfer Consume?](https://docs.catfee.io/en/energy/usdt-transfer-energy-on-tron.md)
- [Why Does the Transfer Fail Even After Renting Energy on TRON?](https://docs.catfee.io/en/energy/why-transfer-failed-after-renting-energy.md)
- [Why Are Some Energy Rentals So Cheap?](https://docs.catfee.io/en/energy/why-some-energy-rentals-are-cheap.md): Why Are Some Energy Rentals So Cheap?——Beware of the Risks Behind


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