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55" TV Power Consumption, ranked by energy efficiency
| Rank | Model | Type | Screen
size | Power on | Annual
cost (*) |
| Watts | W per
sq. inch |
| 1. | Sony KDS-55A3000 | RPTV | 55" | 210.40 | 0.16 | $45.32 |
| 2. | Vizio VF550XVT | LCD | 55" | 221.03 | 0.17 | $47.61 |
| 3. | Sony Bravia KDL-55XBR8 | LCD | 55" | 239.83 | 0.19 | $51.66 |
| 4. | Hitachi 55HDT52 | Plasma | 55" | 410.48 | 0.32 | $88.43 |
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(*) Calculation using 5.2 hours on and 18.8 hours off--based on a 2007 PG&E study cited (PDF) by the California Energy Commission--along with 11.35 cents per kw/Hr, the average residential electricity cost for 2008
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