{
  "request_url": "https://re.jrc.ec.europa.eu/api/v5_3/PVcalc?lat=41.862&lon=12.489&peakpower=1&loss=14&angle=30&aspect=0&pvtechchoice=crystSi&mountingplace=free&usehorizon=1&raddatabase=PVGIS-SARAH3&outputformat=json",
  "response": {
    "inputs": {
      "location": {
        "latitude": 41.862,
        "longitude": 12.489,
        "elevation": 41.0
      },
      "meteo_data": {
        "radiation_db": "PVGIS-SARAH3",
        "meteo_db": "ERA5",
        "year_min": 2005,
        "year_max": 2023,
        "use_horizon": true,
        "horizon_db": "DEM-calculated"
      },
      "mounting_system": {
        "fixed": {
          "slope": {
            "value": 30,
            "optimal": false
          },
          "azimuth": {
            "value": 0,
            "optimal": false
          },
          "type": "free-standing"
        }
      },
      "pv_module": {
        "technology": "c-Si",
        "peak_power": 1.0,
        "system_loss": 14.0
      },
      "economic_data": {
        "system_cost": null,
        "interest": null,
        "lifetime": null
      }
    },
    "outputs": {
      "monthly": {
        "fixed": [
          {
            "month": 1,
            "E_d": 2.71,
            "E_m": 84.1,
            "H(i)_d": 3.24,
            "H(i)_m": 100.51,
            "SD_m": 12.88
          },
          {
            "month": 2,
            "E_d": 3.46,
            "E_m": 96.87,
            "H(i)_d": 4.19,
            "H(i)_m": 117.35,
            "SD_m": 11.86
          },
          {
            "month": 3,
            "E_d": 4.06,
            "E_m": 125.72,
            "H(i)_d": 5.0,
            "H(i)_m": 155.13,
            "SD_m": 14.97
          },
          {
            "month": 4,
            "E_d": 4.64,
            "E_m": 139.25,
            "H(i)_d": 5.9,
            "H(i)_m": 176.99,
            "SD_m": 9.4
          },
          {
            "month": 5,
            "E_d": 4.88,
            "E_m": 151.31,
            "H(i)_d": 6.31,
            "H(i)_m": 195.69,
            "SD_m": 17.08
          },
          {
            "month": 6,
            "E_d": 5.26,
            "E_m": 157.74,
            "H(i)_d": 7.0,
            "H(i)_m": 210.1,
            "SD_m": 6.05
          },
          {
            "month": 7,
            "E_d": 5.49,
            "E_m": 170.28,
            "H(i)_d": 7.4,
            "H(i)_m": 229.53,
            "SD_m": 5.84
          },
          {
            "month": 8,
            "E_d": 5.19,
            "E_m": 160.83,
            "H(i)_d": 6.95,
            "H(i)_m": 215.54,
            "SD_m": 7.24
          },
          {
            "month": 9,
            "E_d": 4.43,
            "E_m": 132.93,
            "H(i)_d": 5.79,
            "H(i)_m": 173.78,
            "SD_m": 6.94
          },
          {
            "month": 10,
            "E_d": 3.65,
            "E_m": 113.17,
            "H(i)_d": 4.62,
            "H(i)_m": 143.2,
            "SD_m": 11.82
          },
          {
            "month": 11,
            "E_d": 2.77,
            "E_m": 83.04,
            "H(i)_d": 3.39,
            "H(i)_m": 101.77,
            "SD_m": 11.25
          },
          {
            "month": 12,
            "E_d": 2.55,
            "E_m": 78.93,
            "H(i)_d": 3.06,
            "H(i)_m": 94.77,
            "SD_m": 10.08
          }
        ]
      },
      "totals": {
        "fixed": {
          "E_d": 4.09,
          "E_m": 124.52,
          "E_y": 1494.2,
          "H(i)_d": 5.24,
          "H(i)_m": 159.53,
          "H(i)_y": 1914.36,
          "SD_m": 4.5,
          "SD_y": 53.96,
          "l_aoi": -2.75,
          "l_spec": "1.00",
          "l_tg": -7.6,
          "l_total": -21.95
        }
      }
    },
    "meta": {
      "inputs": {
        "location": {
          "description": "Selected location",
          "variables": {
            "latitude": {
              "description": "Latitude",
              "units": "decimal degree"
            },
            "longitude": {
              "description": "Longitude",
              "units": "decimal degree"
            },
            "elevation": {
              "description": "Elevation",
              "units": "m"
            }
          }
        },
        "meteo_data": {
          "description": "Sources of meteorological data",
          "variables": {
            "radiation_db": {
              "description": "Solar radiation database"
            },
            "meteo_db": {
              "description": "Database used for meteorological variables other than solar radiation"
            },
            "year_min": {
              "description": "First year of the calculations"
            },
            "year_max": {
              "description": "Last year of the calculations"
            },
            "use_horizon": {
              "description": "Include horizon shadows"
            },
            "horizon_db": {
              "description": "Source of horizon data"
            }
          }
        },
        "mounting_system": {
          "description": "Mounting system",
          "choices": "fixed, vertical_axis, inclined_axis, two_axis",
          "fields": {
            "slope": {
              "description": "Inclination angle from the horizontal plane",
              "units": "degree"
            },
            "azimuth": {
              "description": "Orientation (azimuth) angle of the (fixed) PV system (0 = S, 90 = W, -90 = E)",
              "units": "degree"
            }
          }
        },
        "pv_module": {
          "description": "PV module parameters",
          "variables": {
            "technology": {
              "description": "PV technology"
            },
            "peak_power": {
              "description": "Nominal (peak) power of the PV module",
              "units": "kW"
            },
            "system_loss": {
              "description": "Sum of system losses",
              "units": "%"
            }
          }
        },
        "economic_data": {
          "description": "Economic inputs",
          "variables": {
            "system_cost": {
              "description": "Total cost of the PV system",
              "units": "user-defined currency"
            },
            "interest": {
              "description": "Annual interest",
              "units": "%/y"
            },
            "lifetime": {
              "description": "Expected lifetime of the PV system",
              "units": "y"
            }
          }
        }
      },
      "outputs": {
        "monthly": {
          "type": "time series",
          "timestamp": "monthly averages",
          "variables": {
            "E_d": {
              "description": "Average daily energy production from the given system",
              "units": "kWh/d"
            },
            "E_m": {
              "description": "Average monthly energy production from the given system",
              "units": "kWh/mo"
            },
            "H(i)_d": {
              "description": "Average daily sum of global irradiation per square meter received by the modules of the given system",
              "units": "kWh/m2/d"
            },
            "H(i)_m": {
              "description": "Average monthly sum of global irradiation per square meter received by the modules of the given system",
              "units": "kWh/m2/mo"
            },
            "SD_m": {
              "description": "Standard deviation of the monthly energy production due to year-to-year variation",
              "units": "kWh"
            }
          }
        },
        "totals": {
          "type": "time series totals",
          "variables": {
            "E_d": {
              "description": "Average daily energy production from the given system",
              "units": "kWh/d"
            },
            "E_m": {
              "description": "Average monthly energy production from the given system",
              "units": "kWh/mo"
            },
            "E_y": {
              "description": "Average annual energy production from the given system",
              "units": "kWh/y"
            },
            "H(i)_d": {
              "description": "Average daily sum of global irradiation per square meter received by the modules of the given system",
              "units": "kWh/m2/d"
            },
            "H(i)_m": {
              "description": "Average monthly sum of global irradiation per square meter received by the modules of the given system",
              "units": "kWh/m2/mo"
            },
            "H(i)_y": {
              "description": "Average annual sum of global irradiation per square meter received by the modules of the given system",
              "units": "kWh/m2/y"
            },
            "SD_m": {
              "description": "Standard deviation of the monthly energy production due to year-to-year variation",
              "units": "kWh"
            },
            "SD_y": {
              "description": "Standard deviation of the annual energy production due to year-to-year variation",
              "units": "kWh"
            },
            "l_aoi": {
              "description": "Angle of incidence loss",
              "units": "%"
            },
            "l_spec": {
              "description": "Spectral loss",
              "units": "%"
            },
            "l_tg": {
              "description": "Temperature and irradiance loss",
              "units": "%"
            },
            "l_total": {
              "description": "Total loss",
              "units": "%"
            }
          }
        }
      }
    }
  },
  "retrieved_on": "2026-10-16"
}