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What is TRON Energy?

Energy is a resource on the TRON blockchain required to execute smart contracts. Every TRC-20 token transfer (like USDT) consumes energy.

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Energy consumption for USDT transfers

ScenarioEnergy needed
Recipient has USDT~65,000 (exact: 64,285)
Recipient does not have USDT~131,000 (exact: 130,285)
The difference is due to storage slot creation — sending USDT to a new holder requires creating a new entry in the token contract.

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Without energy: TRX is burned

If you don’t have energy, the network burns TRX from your account to cover the cost: 
64,285 energy × 100 SUN/energy = 6,428,500 SUN = 6.43 TRX
At current rates, that’s approximately $1.50 per USDT transfer.

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With rented energy: 60-80% savings

Renting energy costs approximately 2.5-3.0 TRX per transfer — saving you 50-60% compared to burning.

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How renting works

Energy is provided through resource delegation — a TRON network feature where one account temporarily shares its staked resources with another. The energy appears on the target address and is consumed during the next transaction.
Use the Energy Calculator to check if a recipient address needs 65K or 131K energy.