Reports

Get Daily Peak Report

get

Get a daily peak report for the specified ISO on the specified date. If multiple peaks in LMP values are found in the Day Ahead Market data for a given zone, only data for the first peak will be returned.

NOTE: You must be on a paid Grid Status plan to access this endpoint.

Path parameters

isostring · enumRequired

Name of the iso for which the report should be created

Possible values:

Query parameters

datestring · dateRequired

The date for which the report should be generated.

api_keyany ofOptional

API key for authentication (query)

stringOptional

or

nullOptional

Header parameters

x-api-keyany ofOptional

API key for authentication (header)

stringOptional

or

nullOptional

Responses

200

Successful response

application/json

422

Validation Error

application/json

get

/reports/daily_peak/{iso}

HTTPcURLJavaScriptPython

GET /v1/reports/daily_peak/{iso}?date=2026-03-29 HTTP/1.1
Host: api.gridstatus.io
Accept: */*

{
  "ISO": "PJM",
  "market_date": "2025-05-16",
  "timezone": "US/Eastern",
  "peak_dam_lmp": [
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "AECO",
      "location_type": "ZONE",
      "lmp": 97.118751,
      "energy": 155.76,
      "congestion": -65.318232,
      "loss": 6.676983
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "AEP",
      "location_type": "ZONE",
      "lmp": 97.395159,
      "energy": 155.76,
      "congestion": -54.431105,
      "loss": -3.933736
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "AEP-DAYTON HUB",
      "location_type": "HUB",
      "lmp": 91.80928,
      "energy": 155.76,
      "congestion": -58.663862,
      "loss": -5.286858
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "AEP GEN HUB",
      "location_type": "HUB",
      "lmp": 83.493421,
      "energy": 155.76,
      "congestion": -65.138947,
      "loss": -7.127632
    },
    {
      "interval_start_market": "2025-05-16T16:00:00",
      "interval_end_market": "2025-05-16T17:00:00",
      "location": "APS",
      "location_type": "ZONE",
      "lmp": 89.160852,
      "energy": 144.19,
      "congestion": -58.616387,
      "loss": 3.587239
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "ATSI",
      "location_type": "ZONE",
      "lmp": 92.365946,
      "energy": 155.76,
      "congestion": -63.106612,
      "loss": -0.287442
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "ATSI GEN HUB",
      "location_type": "HUB",
      "lmp": 86.943864,
      "energy": 155.76,
      "congestion": -65.453409,
      "loss": -3.362727
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "BGE",
      "location_type": "ZONE",
      "lmp": 195.448405,
      "energy": 155.76,
      "congestion": 28.636572,
      "loss": 11.051833
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "CHICAGO GEN HUB",
      "location_type": "HUB",
      "lmp": 61.777,
      "energy": 155.76,
      "congestion": -80.126231,
      "loss": -13.856769
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "CHICAGO HUB",
      "location_type": "HUB",
      "lmp": 65.470279,
      "energy": 155.76,
      "congestion": -79.369223,
      "loss": -10.920498
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "COMED",
      "location_type": "ZONE",
      "lmp": 65.207782,
      "energy": 155.76,
      "congestion": -79.068823,
      "loss": -11.483395
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "DAY",
      "location_type": "ZONE",
      "lmp": 103.381408,
      "energy": 155.76,
      "congestion": -50.764866,
      "loss": -1.613726
    },
    {
      "interval_start_market": "2025-05-16T19:00:00",
      "interval_end_market": "2025-05-16T20:00:00",
      "location": "DEOK",
      "location_type": "ZONE",
      "lmp": 89.94213,
      "energy": 108.56,
      "congestion": -15.420282,
      "loss": -3.197588
    },
    {
      "interval_start_market": "2025-05-16T15:00:00",
      "interval_end_market": "2025-05-16T16:00:00",
      "location": "DOM",
      "location_type": "ZONE",
      "lmp": 486.712458,
      "energy": 137.01,
      "congestion": 341.984566,
      "loss": 7.717892
    },
    {
      "interval_start_market": "2025-05-16T19:00:00",
      "interval_end_market": "2025-05-16T20:00:00",
      "location": "DOMINION HUB",
      "location_type": "HUB",
      "lmp": 191.920648,
      "energy": 108.56,
      "congestion": 80.191854,
      "loss": 3.168794
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "DPL",
      "location_type": "ZONE",
      "lmp": 112.420637,
      "energy": 155.76,
      "congestion": -52.112548,
      "loss": 8.773185
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "DUQ",
      "location_type": "ZONE",
      "lmp": 83.736817,
      "energy": 155.76,
      "congestion": -70.621802,
      "loss": -1.401381
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "EASTERN HUB",
      "location_type": "HUB",
      "lmp": 114.075813,
      "energy": 155.76,
      "congestion": -50.283271,
      "loss": 8.599084
    },
    {
      "interval_start_market": "2025-05-16T19:00:00",
      "interval_end_market": "2025-05-16T20:00:00",
      "location": "EKPC",
      "location_type": "ZONE",
      "lmp": 88.626441,
      "energy": 108.56,
      "congestion": -14.0673,
      "loss": -5.866259
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "JCPL",
      "location_type": "ZONE",
      "lmp": 88.978929,
      "energy": 155.76,
      "congestion": -69.921157,
      "loss": 3.140086
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "METED",
      "location_type": "ZONE",
      "lmp": 115.99368,
      "energy": 155.76,
      "congestion": -43.41339,
      "loss": 3.64707
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "MID-ATL/APS",
      "location_type": "ZONE",
      "lmp": 209.16278,
      "energy": 155.76,
      "congestion": 42.553516,
      "loss": 10.849265
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "NEW JERSEY HUB",
      "location_type": "HUB",
      "lmp": 89.631444,
      "energy": 155.76,
      "congestion": -69.848054,
      "loss": 3.719498
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "N ILLINOIS HUB",
      "location_type": "HUB",
      "lmp": 64.797684,
      "energy": 155.76,
      "congestion": -78.77356,
      "loss": -12.188756
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "OHIO HUB",
      "location_type": "HUB",
      "lmp": 92.687787,
      "energy": 155.76,
      "congestion": -57.230401,
      "loss": -5.841812
    },
    {
      "interval_start_market": "2025-05-16T19:00:00",
      "interval_end_market": "2025-05-16T20:00:00",
      "location": "OVEC",
      "location_type": "ZONE",
      "lmp": 88.5,
      "energy": 108.56,
      "congestion": -15.33,
      "loss": -4.73
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "PECO",
      "location_type": "ZONE",
      "lmp": 95.395634,
      "energy": 155.76,
      "congestion": -64.371292,
      "loss": 4.006926
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "PENELEC",
      "location_type": "ZONE",
      "lmp": 80.674772,
      "energy": 155.76,
      "congestion": -78.416136,
      "loss": 3.330908
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "PEPCO",
      "location_type": "ZONE",
      "lmp": 262.645429,
      "energy": 155.76,
      "congestion": 95.992709,
      "loss": 10.89272
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "PJM-RTO",
      "location_type": "ZONE",
      "lmp": 144.182684,
      "energy": 155.76,
      "congestion": -14.599713,
      "loss": 3.022396
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "PPL",
      "location_type": "ZONE",
      "lmp": 86.842633,
      "energy": 155.76,
      "congestion": -69.501223,
      "loss": 0.583856
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "PSEG",
      "location_type": "ZONE",
      "lmp": 87.408946,
      "energy": 155.76,
      "congestion": -71.727043,
      "loss": 3.375989
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "RECO",
      "location_type": "ZONE",
      "lmp": 84.78116,
      "energy": 155.76,
      "congestion": -74.6739,
      "loss": 3.69506
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "WESTERN HUB",
      "location_type": "HUB",
      "lmp": 144.9218,
      "energy": 155.76,
      "congestion": -15.622671,
      "loss": 4.784471
    },
    {
      "interval_start_market": "2025-05-16T17:00:00",
      "interval_end_market": "2025-05-16T18:00:00",
      "location": "WEST INT HUB",
      "location_type": "HUB",
      "lmp": 147.074394,
      "energy": 155.76,
      "congestion": -7.775049,
      "loss": -0.910557
    }
  ],
  "peak_load": {
    "interval_start_market": "2025-05-16T16:00:00",
    "interval_end_market": "2025-05-16T17:00:00",
    "load": 110462.82758333335,
    "net_load": 96116.07758333335,
    "fuel_mix.coal": 14757.583333333334,
    "fuel_mix.gas": 43558.25,
    "fuel_mix.hydro": 4504.916666666667,
    "fuel_mix.multiple_fuels": 1342.6666666666667,
    "fuel_mix.nuclear": 29601.5,
    "fuel_mix.oil": 1393.0833333333333,
    "fuel_mix.solar": 6843.5,
    "fuel_mix.storage": 2.75,
    "fuel_mix.wind": 7503.25,
    "fuel_mix.other_renewables": 526.6666666666666
  },
  "peak_net_load": {
    "interval_start_market": "2025-05-16T17:00:00",
    "interval_end_market": "2025-05-16T18:00:00",
    "load": 110453.081,
    "net_load": 98153.49766666668,
    "fuel_mix.coal": 15300.75,
    "fuel_mix.gas": 45012.916666666664,
    "fuel_mix.hydro": 4407.25,
    "fuel_mix.multiple_fuels": 1417.25,
    "fuel_mix.nuclear": 29569,
    "fuel_mix.oil": 1466.5,
    "fuel_mix.solar": 4975.25,
    "fuel_mix.storage": 6.666666666666667,
    "fuel_mix.wind": 7324.333333333333,
    "fuel_mix.other_renewables": 536.1666666666666
  }
}