| device_id,device_type,location,energy_consumption_kwh,usage_hours,efficiency_rating,installation_date,last_maintenance | |
| DEV2001,Smart Thermostat,Living Room,2.5,24,A,2022-01-15,2023-06-10 | |
| DEV2002,Smart Lighting,Bedroom,1.2,6,B,2022-02-20,2023-05-15 | |
| DEV2003,Smart Refrigerator,Kitchen,4.8,24,A,2022-03-10,2023-07-20 | |
| DEV2004,Smart Washer,Laundry Room,3.5,8,B,2022-04-05,2023-06-25 | |
| DEV2005,Smart Dryer,Laundry Room,4.2,6,C,2022-04-05,2023-06-25 | |
| DEV2006,Smart TV,Living Room,2.8,5,B,2022-05-12,2023-07-05 | |
| DEV2007,Smart Oven,Kitchen,3.7,2,A,2022-06-18,2023-06-30 | |
| DEV2008,Smart Dishwasher,Kitchen,2.9,3,B,2022-07-22,2023-07-15 | |
| DEV2009,Smart Air Conditioner,Bedroom,5.2,8,C,2022-08-30,2023-07-10 | |
| DEV2010,Smart Speaker,Living Room,0.8,12,A,2022-09-14,2023-06-20 | |
| DEV2011,Smart Thermostat,Bedroom,2.1,24,A,2022-10-05,2023-07-01 | |
| DEV2012,Smart Lighting,Kitchen,1.5,8,B,2022-11-20,2023-07-08 | |
| DEV2013,Smart TV,Bedroom,2.3,4,B,2022-12-10,2023-06-15 | |
| DEV2014,Smart Refrigerator,Garage,5.5,24,B,2023-01-05,2023-07-12 | |
| DEV2015,Smart Air Conditioner,Living Room,6.1,10,C,2023-01-18,2023-07-18 | |
| DEV2016,Smart Washer,Bathroom,3.2,7,B,2023-02-10,2023-07-22 | |
| DEV2017,Smart Dryer,Bathroom,3.9,5,C,2023-02-10,2023-07-22 | |
| DEV2018,Smart Oven,Kitchen,4.1,3,A,2023-03-05,2023-07-25 | |
| DEV2019,Smart Thermostat,Office,1.9,24,A,2023-03-15,2023-07-28 | |
| DEV2020,Smart Lighting,Office,1.1,10,B,2023-04-02,2023-07-30 | |
| DEV2021,Smart TV,Family Room,3.2,6,B,2023-04-18,2023-08-01 | |
| DEV2022,Smart Speaker,Bedroom,0.7,10,A,2023-05-05,2023-08-03 | |
| DEV2023,Smart Air Conditioner,Office,4.8,7,B,2023-05-20,2023-08-05 | |
| DEV2024,Smart Dishwasher,Kitchen,2.7,4,A,2023-06-01,2023-08-07 | |
| DEV2025,Smart Refrigerator,Kitchen,4.3,24,A,2023-06-15,2023-08-10 | |
| DEV2026,Smart Lighting,Bedroom,1.3,7,B,2023-06-25,2023-08-12 | |
| DEV2027,Smart Thermostat,Bedroom,2.2,24,A,2023-07-05,2023-08-15 | |
| DEV2028,Smart TV,Living Room,2.6,5,B,2023-07-15,2023-08-18 | |
| DEV2029,Smart Washer,Laundry Room,3.3,9,B,2023-07-25,2023-08-20 | |
| DEV2030,Smart Dryer,Laundry Room,4.0,6,C,2023-07-25,2023-08-20 | |
| DEV2031,Smart Oven,Kitchen,3.8,4,A,2023-08-01,2023-08-22 | |
| DEV2032,Smart Speaker,Kitchen,0.9,14,A,2023-08-05,2023-08-25 |