{
  "title": "Solar façade energy production of the TalTech Residential DC Innovation Hub",
  "institution": "Tallinn University of Technology (TalTech)",
  "facility": "TalTech Residential DC Innovation Hub",
  "location": {
    "city": "Tallinn",
    "country": "Estonia"
  },
  "temporal_coverage": {
    "start": "2024-01-01",
    "end": "2026-09-30"
  },
  "temporal_resolution": "P1D",
  "date_basis": "Europe/Tallinn local calendar dates retained from the source export; midnight labels are date markers. No timezone conversion applied.",
  "quantity": "Daily electrical energy production reported by the PV interface converters",
  "unit": "kWh",
  "facade_orientation": {
    "description": "Approximately 12 degrees east of due south",
    "azimuth_degrees_clockwise_from_north": 168,
    "precision": "approximate",
    "basis": "Specified by the dataset depositor"
  },
  "measurement_basis": {
    "source_pv_modules": 5    
  },
  "processing": [
    "Retain dates on or after 2024-01-01.",
    "Retain complete calendar months with one valid record for every date.",
    "Write one UTF-8 CSV per month, ordered by date.",
    "Preserve zero values and all original daily variability. No interpolation, smoothing, or gap filling."
  ],
  "columns": [
    {
      "name": "date",
      "type": "date",
      "format": "YYYY-MM-DD",
      "description": "Local calendar day of energy production"
    },
    {
      "name": "energy_production_kwh",
      "type": "number",
      "unit": "kWh",
      "description": "Daily energy production for the five-module basis, calculated using the formula in measurement_basis"
    }
  ],
  "validation": {
    "complete_months": 33,
    "daily_records": 1004,
    "missing_dates": 0,
    "duplicate_dates": 0,
    "negative_values": 0,
    "zero_value_days": 11,
    "total_energy_production_kwh": 3004.9625,
    "annual_energy_production_kwh": {
      "2024": 1016.5725,
      "2025": 987.48,
      "2026": 1000.91
    }
  },
  "files": [
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      "file": "monthly_data/TalTech_Residential_DC_Hub_Solar_Facade_2024-01.csv",
      "month": "2024-01",
      "rows": 31,
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      "sha256": "3832f52a8c998cc6b85646153b7afbf9c04239333b76e005ac25c72416ab9e55"
    },
    {
      "file": "monthly_data/TalTech_Residential_DC_Hub_Solar_Facade_2024-02.csv",
      "month": "2024-02",
      "rows": 29,
      "energy_production_kwh": 27.175,
      "sha256": "078e31a96b92b7eed18b43afb254d030930857f516ff506526c21039e9534475"
    },
    {
      "file": "monthly_data/TalTech_Residential_DC_Hub_Solar_Facade_2024-03.csv",
      "month": "2024-03",
      "rows": 31,
      "energy_production_kwh": 81.7975,
      "sha256": "34d35cd74668d9f847f30d826b5bb8f172959d4186eee4c05c048b7a22518746"
    },
    {
      "file": "monthly_data/TalTech_Residential_DC_Hub_Solar_Facade_2024-04.csv",
      "month": "2024-04",
      "rows": 30,
      "energy_production_kwh": 93.3625,
      "sha256": "fa85b50e55a7aec2912a134f5335a8fab5483033d950cad306893eedd0944ae6"
    },
    {
      "file": "monthly_data/TalTech_Residential_DC_Hub_Solar_Facade_2024-05.csv",
      "month": "2024-05",
      "rows": 31,
      "energy_production_kwh": 198.4175,
      "sha256": "4a5a546f3e4fe537d330fb8a1d8caa2985eede8e1501d87bbf899b991bd04cda"
    },
    {
      "file": "monthly_data/TalTech_Residential_DC_Hub_Solar_Facade_2024-06.csv",
      "month": "2024-06",
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      "energy_production_kwh": 154.345,
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    },
    {
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      "month": "2024-07",
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    {
      "file": "monthly_data/TalTech_Residential_DC_Hub_Solar_Facade_2024-08.csv",
      "month": "2024-08",
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      "month": "2024-09",
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    },
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    },
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  ]
}