{
  "schema_version": 1,
  "series_id": "nrel-research-cell-efficiency-frontier",
  "source_url": "https://nrel.sitefinity.cloud/media/docs/libraries/pv/cell-efficiency-data-table.xlsx",
  "retrieved_at": "2026-08-18",
  "data_through": "2025-12-17",
  "records": [
    {
      "record_id": "00005",
      "measurement_date": "1977-04-01",
      "stated_month": 4,
      "stated_year": 1977,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "EFG [NASA]",
      "group": "Mobil Solar",
      "efficiency_percent": 13.938,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 1.01,
      "area_type": null,
      "suns": 1.0,
      "testing_center": "Unknown",
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00008",
      "measurement_date": "1978-02-01",
      "stated_month": 2,
      "stated_year": 1978,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "AM1 [NASA] 100.3 mW/cm2",
      "group": "RCA",
      "efficiency_percent": 15.049,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 1.02,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00012",
      "measurement_date": "1980-01-01",
      "stated_month": 1,
      "stated_year": 1980,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Back surface field p+-n-n+ AM1 [Sandia]",
      "group": "Sandia National Laboratory",
      "efficiency_percent": 16.059,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 2.0,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00021",
      "measurement_date": "1982-11-01",
      "stated_month": 11,
      "stated_year": 1982,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "AM1 Monocrystalline",
      "group": "Westinghouse",
      "efficiency_percent": 16.665,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 1.004,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00024",
      "measurement_date": "1983-05-01",
      "stated_month": 5,
      "stated_year": 1983,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "AM1 Monocrystalline",
      "group": "ARCO",
      "efficiency_percent": 18.382,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 1.0,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00026",
      "measurement_date": "1983-10-28",
      "stated_month": 10,
      "stated_year": 1983,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "AM1 MINP",
      "group": "UNSW",
      "efficiency_percent": 18.887,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.01,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00027",
      "measurement_date": "1983-12-22",
      "stated_month": 12,
      "stated_year": 1983,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "AM, MINP",
      "group": "UNSW",
      "efficiency_percent": 19.2607,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.068,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00032",
      "measurement_date": "1985-04-01",
      "stated_month": 4,
      "stated_year": 1985,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Conventional p-n cell",
      "group": "Spire",
      "efficiency_percent": 19.7051,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.02,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00033",
      "measurement_date": "1985-05-21",
      "stated_month": 5,
      "stated_year": 1985,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "AM1",
      "group": "UNSW",
      "efficiency_percent": 19.998,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 3.99,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00034",
      "measurement_date": "1985-09-01",
      "stated_month": 9,
      "stated_year": 1985,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Conventional p-n cell (not a record)",
      "group": "Spire",
      "efficiency_percent": 18.988,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.02,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00035",
      "measurement_date": "1985-10-15",
      "stated_month": 10,
      "stated_year": 1985,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": null,
      "group": "UNSW",
      "efficiency_percent": 20.2,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.02,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00036",
      "measurement_date": "1985-12-11",
      "stated_month": 12,
      "stated_year": 1985,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": null,
      "group": "UNSW",
      "efficiency_percent": 20.301,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.01,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00040",
      "measurement_date": "1986-02-07",
      "stated_month": 2,
      "stated_year": 1986,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "ASTM-85",
      "group": "UNSW",
      "efficiency_percent": 20.604,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.02,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00041",
      "measurement_date": "1986-06-15",
      "stated_month": 6,
      "stated_year": 1986,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "PESC",
      "group": "UNSW",
      "efficiency_percent": 20.705,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 1.01,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00042",
      "measurement_date": "1986-07-30",
      "stated_month": 7,
      "stated_year": 1986,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "ASTM-86",
      "group": "UNSW",
      "efficiency_percent": 20.806,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.006,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00046",
      "measurement_date": "1987-06-01",
      "stated_month": 6,
      "stated_year": 1987,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Point Contact [Sandia]",
      "group": "Stanford",
      "efficiency_percent": 22.119,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 0.152,
      "area_type": null,
      "suns": 1.0,
      "testing_center": null,
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "00073",
      "measurement_date": "1990-05-01",
      "stated_month": 5,
      "stated_year": 1990,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "point contact",
      "group": "Stanford",
      "efficiency_percent": 21.816,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 37.5,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "1",
      "pip_table": "1"
    },
    {
      "record_id": "00104",
      "measurement_date": "1993-04-01",
      "stated_month": 4,
      "stated_year": 1993,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "PERL",
      "group": "UNSW",
      "efficiency_percent": 21.816,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 45.7,
      "area_type": "ap",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "2",
      "pip_table": "1"
    },
    {
      "record_id": "00113",
      "measurement_date": "1994-03-01",
      "stated_month": 3,
      "stated_year": 1994,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "PERL",
      "group": "UNSW",
      "efficiency_percent": 23.735,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.0,
      "area_type": "ap",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "4",
      "pip_table": "1"
    },
    {
      "record_id": "00120",
      "measurement_date": "1994-09-01",
      "stated_month": 9,
      "stated_year": 1994,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "PERL",
      "group": "UNSW",
      "efficiency_percent": 24.24,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.0,
      "area_type": "ap",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "5",
      "pip_table": "1"
    },
    {
      "record_id": "00134",
      "measurement_date": "1995-12-01",
      "stated_month": 12,
      "stated_year": 1995,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "PERL",
      "group": "UNSW",
      "efficiency_percent": 23.432,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 22.13,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "7",
      "pip_table": "1"
    },
    {
      "record_id": "00139",
      "measurement_date": "1996-05-01",
      "stated_month": 5,
      "stated_year": 1996,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "PERL",
      "group": "UNSW",
      "efficiency_percent": 23.634,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 22.1,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "8",
      "pip_table": "1"
    },
    {
      "record_id": "00140",
      "measurement_date": "1996-08-01",
      "stated_month": 8,
      "stated_year": 1996,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "PERL",
      "group": "UNSW",
      "efficiency_percent": 23.9,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 22.1,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "9",
      "pip_table": "1"
    },
    {
      "record_id": "00144",
      "measurement_date": "1996-10-01",
      "stated_month": 10,
      "stated_year": 1996,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Cz substrate",
      "group": "Fraunhofer ISE",
      "efficiency_percent": 21.917,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": null,
      "area_cm2": 4.0,
      "area_type": "ap",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "9",
      "pip_table": "4"
    },
    {
      "record_id": "00145",
      "measurement_date": "1996-12-01",
      "stated_month": 12,
      "stated_year": 1996,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Cz substrate",
      "group": "Fraunhofer ISE",
      "efficiency_percent": 22.22,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.4,
      "area_cm2": 4.0,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "10",
      "pip_table": "4"
    },
    {
      "record_id": "00158",
      "measurement_date": "1998-02-01",
      "stated_month": 2,
      "stated_year": 1998,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "PERL",
      "group": "UNSW",
      "efficiency_percent": 24.644,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 4.0,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "12",
      "pip_table": "1"
    },
    {
      "record_id": "00160",
      "measurement_date": "1998-11-01",
      "stated_month": 11,
      "stated_year": 1998,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "PERL",
      "group": "UNSW",
      "efficiency_percent": 24.745,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 4.0,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "13",
      "pip_table": "1"
    },
    {
      "record_id": "00165",
      "measurement_date": "1999-03-01",
      "stated_month": 3,
      "stated_year": 1999,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Si PERL top/rear contacts",
      "group": "UNSW",
      "efficiency_percent": 25.0,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 4.0,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "14",
      "pip_table": "1"
    },
    {
      "record_id": "00167",
      "measurement_date": "1999-07-01",
      "stated_month": 7,
      "stated_year": 1999,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Magnetically confined CZ PERT SEH technique",
      "group": "UNSW",
      "efficiency_percent": 24.745,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 4.0,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "Sandia",
      "first_pip": "17",
      "pip_table": "4"
    },
    {
      "record_id": "00168",
      "measurement_date": "1999-07-01",
      "stated_month": 7,
      "stated_year": 1999,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Ga-doped CZ using SEH technique",
      "group": "Fraunhofer ISE",
      "efficiency_percent": 22.725,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 4.011,
      "area_type": "ap",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "17",
      "pip_table": "4"
    },
    {
      "record_id": "00193",
      "measurement_date": "2002-09-01",
      "stated_month": 9,
      "stated_year": 2002,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Laser grooved",
      "group": "BP Solar",
      "efficiency_percent": 18.483,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 147.5,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "23",
      "pip_table": "3"
    },
    {
      "record_id": "00203",
      "measurement_date": "2003-09-01",
      "stated_month": 9,
      "stated_year": 2003,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Floatzone commercial",
      "group": "SunPower",
      "efficiency_percent": 21.715,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.6,
      "area_cm2": 148.9,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "NREL",
      "first_pip": "23",
      "pip_table": "3"
    },
    {
      "record_id": "00222",
      "measurement_date": "2006-03-01",
      "stated_month": 3,
      "stated_year": 2006,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "FZ substrate",
      "group": "SunPower",
      "efficiency_percent": 22.0,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.7000000000000001,
      "area_cm2": 147.4,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "28",
      "pip_table": "3"
    },
    {
      "record_id": "00227",
      "measurement_date": "2006-08-01",
      "stated_month": 8,
      "stated_year": 2006,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Si n-type top/rear contacts",
      "group": "Fraunhofer ISE",
      "efficiency_percent": 25.3,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.3,
      "area_cm2": 4.014,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "49",
      "pip_table": "4"
    },
    {
      "record_id": "00277",
      "measurement_date": "2010-05-01",
      "stated_month": 5,
      "stated_year": 2010,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "n-type CZ substrate",
      "group": "SunPower",
      "efficiency_percent": 24.2,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.7000000000000001,
      "area_cm2": 155.1,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "NREL",
      "first_pip": "37",
      "pip_table": "3"
    },
    {
      "record_id": "00356",
      "measurement_date": "2014-02-01",
      "stated_month": 2,
      "stated_year": 2014,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Si rear junction",
      "group": "SunPower",
      "efficiency_percent": 25.0,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.7000000000000001,
      "area_cm2": 120.94,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "44",
      "pip_table": "3"
    },
    {
      "record_id": "00386",
      "measurement_date": "2015-08-01",
      "stated_month": 8,
      "stated_year": 2015,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Si n-type top/rear contacts",
      "group": "Fraunhofer ISE",
      "efficiency_percent": 25.1,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 4.01,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "47",
      "pip_table": "3"
    },
    {
      "record_id": "00390",
      "measurement_date": "2015-09-01",
      "stated_month": 9,
      "stated_year": 2015,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "n-type top/rear contacts",
      "group": "Kaneka",
      "efficiency_percent": 25.1,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 151.88,
      "area_type": "ap",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "54",
      "pip_table": "2"
    },
    {
      "record_id": "00392",
      "measurement_date": "2015-10-01",
      "stated_month": 10,
      "stated_year": 2015,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "Si n-type rear junction",
      "group": "SunPower",
      "efficiency_percent": 25.2,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 153.49,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "47",
      "pip_table": "3"
    },
    {
      "record_id": "00414",
      "measurement_date": "2016-08-01",
      "stated_month": 8,
      "stated_year": 2016,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "n-type top/rear contacts",
      "group": "Fraunhofer ISE",
      "efficiency_percent": 25.3,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.3,
      "area_cm2": 4.014,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": null,
      "pip_table": null
    },
    {
      "record_id": "00429",
      "measurement_date": "2017-03-01",
      "stated_month": 3,
      "stated_year": 2017,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "n-type top/rear contacts",
      "group": "Fraunhofer ISE",
      "efficiency_percent": 25.7,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 4.017,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "50",
      "pip_table": "4"
    },
    {
      "record_id": "00434",
      "measurement_date": "2017-07-01",
      "stated_month": 7,
      "stated_year": 2017,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "crystalline, n-type top/rear contacts",
      "group": "FhG-ISE",
      "efficiency_percent": 25.8,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 4.008,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "51",
      "pip_table": "4"
    },
    {
      "record_id": "00447",
      "measurement_date": "2018-02-01",
      "stated_month": 2,
      "stated_year": 2018,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "p-type rear, IBC",
      "group": "ISFH",
      "efficiency_percent": 26.1,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.3,
      "area_cm2": 3.9857,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "ISFH",
      "first_pip": "52",
      "pip_table": "2"
    },
    {
      "record_id": "00482",
      "measurement_date": "2019-09-01",
      "stated_month": 9,
      "stated_year": 2019,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "n-type",
      "group": "Trina Solar",
      "efficiency_percent": 23.2,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.3,
      "area_cm2": 247.79,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "ISFH",
      "first_pip": "55",
      "pip_table": "1"
    },
    {
      "record_id": "00483",
      "measurement_date": "2019-09-01",
      "stated_month": 9,
      "stated_year": 2019,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "p-type PERC",
      "group": "Canadian Solar",
      "efficiency_percent": 22.8,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.3,
      "area_cm2": 246.7,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "ISFH",
      "first_pip": "55",
      "pip_table": "2"
    },
    {
      "record_id": "00484",
      "measurement_date": "2019-09-01",
      "stated_month": 9,
      "stated_year": 2019,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "n-type top/rear contacts",
      "group": "Hanergy",
      "efficiency_percent": 25.1,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.4,
      "area_cm2": 244.45,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "ISFH",
      "first_pip": "55",
      "pip_table": "2"
    },
    {
      "record_id": "00487",
      "measurement_date": "2019-11-01",
      "stated_month": 11,
      "stated_year": 2019,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "p-type top/rear contacts",
      "group": "FhG-ISE",
      "efficiency_percent": 26.0,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.5,
      "area_cm2": 4.015,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "FhG-ISE",
      "first_pip": "55",
      "pip_table": "2"
    },
    {
      "record_id": "00488",
      "measurement_date": "2019-12-01",
      "stated_month": 12,
      "stated_year": 2019,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "n-type",
      "group": "Canadian Solar",
      "efficiency_percent": 23.8,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 0.3,
      "area_cm2": 246.44,
      "area_type": "t",
      "suns": 1.0,
      "testing_center": "ISFH",
      "first_pip": "56",
      "pip_table": "1"
    },
    {
      "record_id": "555",
      "measurement_date": "2025-10-27",
      "stated_month": 10,
      "stated_year": 2025,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "TOPCon bifacial",
      "group": "Runergy",
      "efficiency_percent": 26.55,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 1.5,
      "area_cm2": 335.2,
      "area_type": "ta",
      "suns": 1.0,
      "testing_center": "ISFH",
      "first_pip": "NA",
      "pip_table": "NA"
    },
    {
      "record_id": "558",
      "measurement_date": "2025-12-17",
      "stated_month": 12,
      "stated_year": 2025,
      "material_class": "Crystalline Si Cells",
      "cell_type": "Single crystal (non-concentrator)",
      "description": "TOPCon bifacial",
      "group": "Trina Solar",
      "efficiency_percent": 26.68,
      "efficiency_basis": "Combined efficiency (%)",
      "uncertainty_percent": 1.5,
      "area_cm2": 350.2,
      "area_type": "da",
      "suns": 1.0,
      "testing_center": "ISFH",
      "first_pip": "TBD (68)",
      "pip_table": null
    }
  ]
}