Summary

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Renewable Energy Initiatives Solar PV Deployment
Dr. Rajan Kapur
Residential Mostly roof mounted. Fixed and few
BIPV Upto 10kW, up to 1000 sq-ft. Si, and
recently CdTe 8/W installed Commercial
Mostly roof and flat roof mounted. Fixed and few
BIPV Upto 1MW. approx 100,000 sq-ft c-Si, CdTe,
CIGS tubular 7/watt installed Utility Scale
Ground mounted. Fixed and Tracking Largest
approved by PGE 550MW (for 2012, _at_ 2/W quoted)
Tens of acres up-to tens of square miles! C-Si,
CdTe, CIGS flat plate One report of 3.17/watt
installed 15.5MW Nellis AFB, 12 MW Boulder City,
8MW Alamosa ..
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Renewable Energy Initiatives Solar PV Installation
Outdoors PV Modules Mechanical Mounting DC
Cables Circuit Breakers BiDirectional Meter
2008 Cost per watt installed (without
incentives) PV Module 4.20 (60) Inverter
0.70 (10) Electrical 0.14 (2) Mechanical 0.2
8 (4) Labor 1.05 (15) Ship, Permit, Tax 0.77
(11) Total 7.00/watt
Indoors DC Cables Inverter Circuit Breakers AC
Cables Loads
PV
Loads
Grid

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Renewable Energy Initiatives Solar PV Deployment
Dr. Rajan Kapur
Outdoors PV Modules MicroInverters Mechanical
Mounting AC Cables Circuit Breakers BiDirectio
nal Meter
Indoors Circuit Breakers AC Cables Loads
uI
PV

Loads
Grid
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Benefits of AC PV Modules

• Simpler Field Installation
• MicroInverter is attached to the PV module in the
  factory
• System design is simplified Scalability
• Increased AC Power Harvest
• Increased Robustness Longer Unattended
  Operation
• Remote monitoring of individual components
• Single failure does not affect others in the
  array

More Value-Add in the Factory Less Assembly
Work in the Field
5 to 20 more AC Power Harvest
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Inverters