[
 {
  "device": "Wi-Fi camera",
  "idle_w": 4.8,
  "kwh_per_year": 42.0,
  "usd_per_year_at_0_14": 5.89
 },
 {
  "device": "Smart hub",
  "idle_w": 3.1,
  "kwh_per_year": 27.2,
  "usd_per_year_at_0_14": 3.8
 },
 {
  "device": "Voice speaker",
  "idle_w": 2.9,
  "kwh_per_year": 25.4,
  "usd_per_year_at_0_14": 3.56
 },
 {
  "device": "Air purifier standby",
  "idle_w": 2.2,
  "kwh_per_year": 19.3,
  "usd_per_year_at_0_14": 2.7
 },
 {
  "device": "Smart TV standby",
  "idle_w": 1.7,
  "kwh_per_year": 14.9,
  "usd_per_year_at_0_14": 2.08
 },
 {
  "device": "Smart bulb, switched off",
  "idle_w": 1.1,
  "kwh_per_year": 9.6,
  "usd_per_year_at_0_14": 1.35
 },
 {
  "device": "Smart plug, idle",
  "idle_w": 0.9,
  "kwh_per_year": 7.9,
  "usd_per_year_at_0_14": 1.1
 },
 {
  "device": "Zigbee sensor, on a cell",
  "idle_w": 0.0,
  "kwh_per_year": 0.0,
  "usd_per_year_at_0_14": 0.0
 }
]