{
  "title": "Commercially operational BESS in ERCOT reached 18.7 GW and 33.4 GWh by September 2026",
  "subtitle": "Cumulative commercially operational BESS in ERCOT, power (GW) and energy (GWh)",
  "chart_type": "line",
  "source": "ERCOT, Modo Energy",
  "note": null,
  "axes": {
    "x": {
      "label": "name",
      "type": "category"
    },
    "y": {
      "label": null,
      "type": "number",
      "unit": "GW / GWh"
    }
  },
  "data": [
    {
      "name": "2020-01",
      "power": 0.11,
      "energy": 0.1
    },
    {
      "name": "2020-02",
      "power": 0.12,
      "energy": 0.11
    },
    {
      "name": "2020-03",
      "power": 0.13,
      "energy": 0.12
    },
    {
      "name": "2020-04",
      "power": 0.14,
      "energy": 0.14
    },
    {
      "name": "2020-05",
      "power": 0.15,
      "energy": 0.16
    },
    {
      "name": "2020-06",
      "power": 0.15,
      "energy": 0.16
    },
    {
      "name": "2020-07",
      "power": 0.15,
      "energy": 0.16
    },
    {
      "name": "2020-08",
      "power": 0.16,
      "energy": 0.17
    },
    {
      "name": "2020-09",
      "power": 0.17,
      "energy": 0.18
    },
    {
      "name": "2020-10",
      "power": 0.18,
      "energy": 0.19
    },
    {
      "name": "2020-11",
      "power": 0.19,
      "energy": 0.2
    },
    {
      "name": "2020-12",
      "power": 0.21,
      "energy": 0.22
    },
    {
      "name": "2021-01",
      "power": 0.22,
      "energy": 0.23
    },
    {
      "name": "2021-02",
      "power": 0.22,
      "energy": 0.23
    },
    {
      "name": "2021-03",
      "power": 0.22,
      "energy": 0.23
    },
    {
      "name": "2021-04",
      "power": 0.22,
      "energy": 0.23
    },
    {
      "name": "2021-05",
      "power": 0.24,
      "energy": 0.26
    },
    {
      "name": "2021-06",
      "power": 0.35,
      "energy": 0.45
    },
    {
      "name": "2021-07",
      "power": 0.41,
      "energy": 0.52
    },
    {
      "name": "2021-08",
      "power": 0.41,
      "energy": 0.52
    },
    {
      "name": "2021-09",
      "power": 0.46,
      "energy": 0.6
    },
    {
      "name": "2021-10",
      "power": 0.82,
      "energy": 1.03
    },
    {
      "name": "2021-11",
      "power": 0.82,
      "energy": 1.03
    },
    {
      "name": "2021-12",
      "power": 0.82,
      "energy": 1.03
    },
    {
      "name": "2022-01",
      "power": 0.82,
      "energy": 1.03
    },
    {
      "name": "2022-02",
      "power": 0.86,
      "energy": 1.07
    },
    {
      "name": "2022-03",
      "power": 0.97,
      "energy": 1.28
    },
    {
      "name": "2022-04",
      "power": 0.97,
      "energy": 1.28
    },
    {
      "name": "2022-05",
      "power": 1.27,
      "energy": 1.61
    },
    {
      "name": "2022-06",
      "power": 1.35,
      "energy": 1.74
    },
    {
      "name": "2022-07",
      "power": 1.63,
      "energy": 2.02
    },
    {
      "name": "2022-08",
      "power": 1.75,
      "energy": 2.25
    },
    {
      "name": "2022-09",
      "power": 1.8,
      "energy": 2.35
    },
    {
      "name": "2022-10",
      "power": 1.97,
      "energy": 2.52
    },
    {
      "name": "2022-11",
      "power": 1.97,
      "energy": 2.52
    },
    {
      "name": "2022-12",
      "power": 2.02,
      "energy": 2.62
    },
    {
      "name": "2023-01",
      "power": 2.04,
      "energy": 2.64
    },
    {
      "name": "2023-02",
      "power": 2.04,
      "energy": 2.64
    },
    {
      "name": "2023-03",
      "power": 2.24,
      "energy": 3.19
    },
    {
      "name": "2023-04",
      "power": 2.34,
      "energy": 3.38
    },
    {
      "name": "2023-05",
      "power": 2.39,
      "energy": 3.43
    },
    {
      "name": "2023-06",
      "power": 2.49,
      "energy": 3.58
    },
    {
      "name": "2023-07",
      "power": 3.06,
      "energy": 4.51
    },
    {
      "name": "2023-08",
      "power": 3.06,
      "energy": 4.51
    },
    {
      "name": "2023-09",
      "power": 3.18,
      "energy": 4.69
    },
    {
      "name": "2023-10",
      "power": 3.27,
      "energy": 4.82
    },
    {
      "name": "2023-11",
      "power": 3.31,
      "energy": 4.86
    },
    {
      "name": "2023-12",
      "power": 3.99,
      "energy": 6.06
    },
    {
      "name": "2024-01",
      "power": 4.0,
      "energy": 6.07
    },
    {
      "name": "2024-02",
      "power": 4.05,
      "energy": 6.13
    },
    {
      "name": "2024-03",
      "power": 4.25,
      "energy": 6.47
    },
    {
      "name": "2024-04",
      "power": 4.49,
      "energy": 6.75
    },
    {
      "name": "2024-05",
      "power": 4.49,
      "energy": 6.75
    },
    {
      "name": "2024-06",
      "power": 5.14,
      "energy": 7.79
    },
    {
      "name": "2024-07",
      "power": 5.16,
      "energy": 7.81
    },
    {
      "name": "2024-08",
      "power": 5.64,
      "energy": 8.78
    },
    {
      "name": "2024-09",
      "power": 6.37,
      "energy": 9.7
    },
    {
      "name": "2024-10",
      "power": 7.15,
      "energy": 10.74
    },
    {
      "name": "2024-11",
      "power": 7.4,
      "energy": 11.16
    },
    {
      "name": "2024-12",
      "power": 7.89,
      "energy": 11.77
    },
    {
      "name": "2025-01",
      "power": 7.95,
      "energy": 11.82
    },
    {
      "name": "2025-02",
      "power": 8.21,
      "energy": 12.29
    },
    {
      "name": "2025-03",
      "power": 8.35,
      "energy": 12.55
    },
    {
      "name": "2025-04",
      "power": 8.5,
      "energy": 12.77
    },
    {
      "name": "2025-05",
      "power": 9.14,
      "energy": 13.89
    },
    {
      "name": "2025-06",
      "power": 10.03,
      "energy": 15.35
    },
    {
      "name": "2025-07",
      "power": 10.51,
      "energy": 16.32
    },
    {
      "name": "2025-08",
      "power": 10.91,
      "energy": 17.2
    },
    {
      "name": "2025-09",
      "power": 12.08,
      "energy": 19.56
    },
    {
      "name": "2025-10",
      "power": 12.66,
      "energy": 20.73
    },
    {
      "name": "2025-11",
      "power": 13.11,
      "energy": 21.6
    },
    {
      "name": "2025-12",
      "power": 13.94,
      "energy": 22.96
    },
    {
      "name": "2026-01",
      "power": 13.97,
      "energy": 22.99
    },
    {
      "name": "2026-02",
      "power": 14.77,
      "energy": 24.51
    },
    {
      "name": "2026-03",
      "power": 15.03,
      "energy": 24.91
    },
    {
      "name": "2026-04",
      "power": 15.25,
      "energy": 25.36
    },
    {
      "name": "2026-05",
      "power": 15.84,
      "energy": 26.59
    },
    {
      "name": "2026-06",
      "power": 16.53,
      "energy": 28.81
    },
    {
      "name": "2026-07",
      "power": 17.71,
      "energy": 31.53
    },
    {
      "name": "2026-08",
      "power": 17.83,
      "energy": 31.74
    },
    {
      "name": "2026-09",
      "power": 18.69,
      "energy": 33.38
    }
  ]
}