API ReferenceDay-ahead Locational Marginal Price (US)

Past

get
/v4/locational-marginal-price-day-ahead/past

Get the day-ahead locational marginal price for a pricing node at a given datetime. Addressed by node, not zone.

Query Parameters

node required

A pricing node identifier. Required — LMP endpoints are addressed by node rather than zone.

Example: "ROGUE_LNODER1"
datetime required

The datetime to get the data for. By default this needs to be the specific hour unless another temporal granularity is requested.

Format: ISO 8601 datetime
Example: "2024-05-19T03:00:00Z"
temporalGranularity optional

The temporal granularity of the data to get.

Default: "hourly"
One of: "hourly"

Response Body

application/json

application/json

application/json

curl -X GET "https://example.com/v4/locational-marginal-price-day-ahead/past?node=ROGUE_LNODER1&datetime=2024-05-19T03%3A00%3A00Z"
{  "entityType": "PNODE",  "entityName": "ROGUE_LNODER1",  "datetime": "2025-12-10T10:00:00.000Z",  "createdAt": "2025-12-09T14:41:00.558Z",  "updatedAt": "2025-12-09T14:41:00.558Z",  "lmp": 40,  "unit": "USD/MWh",  "congestion": 0,  "energy": 42,  "loss": -2,  "greenhouseGas": 22,  "source": "nordpool.com",  "temporalGranularity": "hourly"}

Playground

get
/v4/locational-marginal-price-day-ahead/past
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History GET

Get the last 24 hours of day-ahead locational marginal price for a pricing node. Addressed by `node`, not `zone`.

Past Range GET

Get the day-ahead locational marginal price for a pricing node and a given datetime range. Addressed by `node`, not `zone`. > [!CAUTION] > The time range is limited to 10 days (240 hours) for an hourly granularity, and to 100 days for a daily granularity. > If you need more data, **you can loop over time ranges**.