Presenter Name Title Phone Email
OKI Solar Workshop
Cincinnati Zoo Solar Canopy Case Study
September 26, 2012
Project Goals
• Solidify Cincinnati Zoo as Nation’s Greenest
• Demonstrate and Educate the Region On Solar PV • More Predictable Power Cost For The Zoo • Spur Economic Development in the Uptown Area
Project Challenges
• Cost Of Electric Power Relatively Low
• Additional Cost Of Elevated Structure
• Additional Cost Of Reconfiguring Active Parking Lot
• Additional Cost To Upgrade Electrical Infrastructure • Major Incentive – 1603 Grant - Was Time Sensitive
$0.04
$0.05
$0.06
$0.07
$0.08
$0.09
$0.10
$0.11
2003 2004 2005 2006 2007 2008
Pric
e Pe
r kW
h
US Commercial US Industrial Ohio Commercial Ohio Industrial
6.0% CAGR
5.3% CAGR
4.1% CAGR
5.2% CAGR 12.4% Gap
10.4% Gap
Electric Rate Inflation
• Aging Coal Fleet Will Require New Generation • Utilities Must Meet Ohio Renewable Portfolio Standards
– Renewable Energy – Advanced Energy: Clean Coal, Nuclear, Energy Efficiency
• Federal Energy Policy and/or Clean Air Regulation
• Smart Grid
Utility Rate Shocks Are Possible
Global PV Industry Is Growing Rapidly
Growth 1978 – 2008 From 1-MWp to >5-GWp
1.0 5.3 17.5 24.9 54.1 114.1252.0
1049.8
1984.6
3073.0
5491.8
0.0
500.0
1000.0
1500.0
2000.0
2500.0
3000.0
3500.0
4000.0
4500.0
5000.0
5500.0
6000.0
2003-2008 CAGR: 61.5%
Cincinnati Zoo Savings – Years 8-25
Year
Ann
ual S
avin
gs
$0
$100,000
$200,000
$300,000
$400,000
$500,000
$600,000
$700,000
$800,000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
5% Inflation
7% Inflation
9% Inflation
Power Purchase Agreement
Variable Period Energy Cost Energy Cost Inflation
Amount
25 Years
$0.08 5.5%
Driver
No Upfront Cost Current Rate Future Expectations
Financing Factors
• Type of Installation • Solar Radiation
• Current Electric Rates • Federal Incentives • State Incentives – SRECs • NMTCs • Debt Interest Rate • Equity Investor ROR
Questions?