{
  "series": "hydro",
  "name": "EnergyIndex Hydro",
  "source": "EIA API v2 · fueltypeid=HYC · location=US · sectorid=99",
  "base_year": "2020",
  "latest_period": "2026-07",
  "latest_generation_gwh": 20266,
  "share_of_us_generation_pct": 4.47,
  "ttm_generation_gwh": 260778,
  "ttm_yoy_change_pct": 8.3,
  "index_level": 91.41,
  "history": [
    {
      "period": "2023-08",
      "generation_gwh": 21293,
      "share_pct": 5.03
    },
    {
      "period": "2023-09",
      "generation_gwh": 16916,
      "share_pct": 4.69
    },
    {
      "period": "2023-10",
      "generation_gwh": 15673,
      "share_pct": 4.8
    },
    {
      "period": "2023-11",
      "generation_gwh": 17026,
      "share_pct": 5.31
    },
    {
      "period": "2023-12",
      "generation_gwh": 19028,
      "share_pct": 5.47
    },
    {
      "period": "2024-01",
      "generation_gwh": 21554,
      "share_pct": 5.66
    },
    {
      "period": "2024-02",
      "generation_gwh": 20795,
      "share_pct": 6.45
    },
    {
      "period": "2024-03",
      "generation_gwh": 23363,
      "share_pct": 7.19
    },
    {
      "period": "2024-04",
      "generation_gwh": 20916,
      "share_pct": 6.73
    },
    {
      "period": "2024-05",
      "generation_gwh": 24477,
      "share_pct": 7.02
    },
    {
      "period": "2024-06",
      "generation_gwh": 22397,
      "share_pct": 5.72
    },
    {
      "period": "2024-07",
      "generation_gwh": 21384,
      "share_pct": 4.98
    },
    {
      "period": "2024-08",
      "generation_gwh": 20491,
      "share_pct": 4.84
    },
    {
      "period": "2024-09",
      "generation_gwh": 15911,
      "share_pct": 4.43
    },
    {
      "period": "2024-10",
      "generation_gwh": 15352,
      "share_pct": 4.6
    },
    {
      "period": "2024-11",
      "generation_gwh": 16723,
      "share_pct": 5.19
    },
    {
      "period": "2024-12",
      "generation_gwh": 19533,
      "share_pct": 5.41
    },
    {
      "period": "2025-01",
      "generation_gwh": 21431,
      "share_pct": 5.33
    },
    {
      "period": "2025-02",
      "generation_gwh": 19543,
      "share_pct": 5.77
    },
    {
      "period": "2025-03",
      "generation_gwh": 22451,
      "share_pct": 6.73
    },
    {
      "period": "2025-04",
      "generation_gwh": 22839,
      "share_pct": 7.13
    },
    {
      "period": "2025-05",
      "generation_gwh": 24356,
      "share_pct": 7.08
    },
    {
      "period": "2025-06",
      "generation_gwh": 22159,
      "share_pct": 5.63
    },
    {
      "period": "2025-07",
      "generation_gwh": 19982,
      "share_pct": 4.48
    },
    {
      "period": "2025-08",
      "generation_gwh": 20098,
      "share_pct": 4.78
    },
    {
      "period": "2025-09",
      "generation_gwh": 15285,
      "share_pct": 4.15
    },
    {
      "period": "2025-10",
      "generation_gwh": 16545,
      "share_pct": 4.79
    },
    {
      "period": "2025-11",
      "generation_gwh": 18415,
      "share_pct": 5.5
    },
    {
      "period": "2025-12",
      "generation_gwh": 23920,
      "share_pct": 6.26
    },
    {
      "period": "2026-01",
      "generation_gwh": 27909,
      "share_pct": 6.99
    },
    {
      "period": "2026-02",
      "generation_gwh": 22462,
      "share_pct": 6.55
    },
    {
      "period": "2026-03",
      "generation_gwh": 26922,
      "share_pct": 7.72
    },
    {
      "period": "2026-04",
      "generation_gwh": 22494,
      "share_pct": 6.8
    },
    {
      "period": "2026-05",
      "generation_gwh": 22738,
      "share_pct": 6.41
    },
    {
      "period": "2026-06",
      "generation_gwh": 23725,
      "share_pct": 5.94
    },
    {
      "period": "2026-07",
      "generation_gwh": 20266,
      "share_pct": 4.47
    }
  ]
}