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?