03 EE 474 Introduction

03 EE 474 Introduction - Unallocated 2.6 Quads (7%) 36.3...

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There’s plenty of energy!
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Status of Solar Cell Technology – Some technologies have high enough efficiencies! Multijunction Solar Concentrator Cells Thin Film Si Single Crystal or Multicrystal Organic Cells
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Primary Energy Consumption in Buildings by End Use (1998) Source: BTS Core Databook, August 2000, Table 1.1.7 and Industrial Building Estimate from Table 1.3.11 Space Heating 9.4 Quads (25%) Refrigeration 2.4 Quads (7%) Appliances 5.0 Quads (14%) Water Heating 4.1 Quads (11%) Lighting 6.0 Quads (17%) Space Cooling 4.3 Quads (12%) Ventilation 1.2 Quads (3%) Other 1.3 Quads (4%)
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Unformatted text preview: Unallocated 2.6 Quads (7%) 36.3 Quads 1 QUAD~10 15 BTU (a LOT of energy!) Lighting Energy Use for All Building Sectors by Technology Source: U.S. Market Characterization, Phase I - Inventory. Source data are RECS (92), CBECS (93), and MECS (94). Draft Report, ADL, May 2000. Incandescent Fluorescent 0.0 1.0 2.0 3.0 4.0 Residential Commercial Industrial Other High Intensity Discharge quads Total: 6.3 quads 10-20 lm/W 30-90 lm/W 40-70 lm/W LEDs 100-150 lm/W LED Efficiency Trends Light Emitting Diode Issues The Green Gap in Efficiency...
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03 EE 474 Introduction - Unallocated 2.6 Quads (7%) 36.3...

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