---
title: getEnergyPrices
---
# getEnergyPrices <TitleWithCodeLink2 link="getEnergyPrices" />
Query historical energy unit price.

## Usage
```js
await tronWeb.trx.getEnergyPrices();
```

## Return
string - All historical energy unit price information. Each unit price change is separated by a comma. Before the colon is the millisecond timestamp, and after the colon is the energy unit price in sun.
## Example
```js
//Example 1
await tronWeb.trx.getEnergyPrices();
// output-start
"0:100"
// output-end
```