{
 "meta": {
  "source": "EIA-923 metered validation 2019-2024, IEC2 leg (the chain studies run); cohort medians with bootstrap 95% CIs; BA cells only where n>=10 AND the CI excludes the cohort median",
  "trim": "iec2_ratio outside (0.3, 1.3) excluded (12 plants; capacity-attribution/repowering artifacts)",
  "frame": "2023 EIA-860 OP-status US onshore plants >=50 MW fully in service before 2019 \u2014 SURVIVORS as of 2023; partial repowers keep their original vintage band; new_build = 2016-2018 builds metered at ages 1-8, applied unchanged to newer builds (no assumed improvement; vintage and age not separable in-window)",
  "star_composition": "'*' cohorts are ~73% SWPP/ERCO/MISO by plant count; 'other_us' is the non-plains cohort",
  "built": "2026-07-31T02:41:56Z",
  "gb_source": "Elexon B1610 settlement meters Feb 2019 - Dec 2024, reporting-capacity denominators, AS-DELIVERED (incl. constraint curtailment: 15.5% of would-be output onshore-Scotland capw, ~4% offshore); decomposition at /data/gb_wind_validation.json"
 },
 "table": {
  "pre-2012": {
   "*": {
    "factor": 0.71,
    "n": 293,
    "ci95": [
     0.68,
     0.73
    ]
   },
   "other_us": {
    "factor": 0.74,
    "n": 131,
    "ci95": [
     0.7,
     0.77
    ]
   },
   "BPAT": {
    "factor": 0.85,
    "n": 14,
    "ci95": [
     0.79,
     0.98
    ]
   },
   "ERCO": {
    "factor": 0.58,
    "n": 53,
    "ci95": [
     0.54,
     0.66
    ]
   }
  },
  "2012-2015": {
   "*": {
    "factor": 0.88,
    "n": 163,
    "ci95": [
     0.85,
     0.9
    ]
   },
   "other_us": {
    "factor": 0.84,
    "n": 53,
    "ci95": [
     0.77,
     0.9
    ]
   },
   "SWPP": {
    "factor": 0.97,
    "n": 41,
    "ci95": [
     0.9,
     1.02
    ]
   }
  },
  "new_build": {
   "*": {
    "factor": 0.99,
    "n": 115,
    "ci95": [
     0.96,
     1.02
    ]
   },
   "other_us": {
    "factor": 0.95,
    "n": 30,
    "ci95": [
     0.92,
     1.01
    ]
   },
   "SWPP": {
    "factor": 1.05,
    "n": 36,
    "ci95": [
     1.01,
     1.07
    ]
   }
  },
  "gb_offshore": {
   "*": {
    "factor": 0.78,
    "n": 25,
    "ci95": [
     0.69,
     0.82
    ]
   }
  },
  "gb_onshore": {
   "*": {
    "factor": 0.58,
    "n": 37,
    "ci95": [
     0.56,
     0.62
    ]
   }
  }
 }
}