[
  {
    "source": "Solar PV",
    "twh": 214.4
  },
  {
    "source": "Hydropower",
    "twh": 246.8
  },
  {
    "source": "Onshore wind",
    "twh": 425.3
  },
  {
    "source": "Coal and peat",
    "twh": 742
  },
  {
    "source": "Nuclear",
    "twh": 808.1
  },
  {
    "source": "Natural gas",
    "twh": 1865.3
  }
]