[PPT] - Reducing Risk through Reliability: Providing Solar Trackers in PowerPoint Presentation

SLIDE 1

Reducing Risk through Reliability:

Providing Solar Trackers in Desert Conditions

Intersolar Middle East, Dubai

SLIDE 2

Tracking improves solar asset value

Solar trackers compared to fixed-tilt

Tracking increases the energy production of a solar system by nearly 20% Energy values increase due to alignment with demand through broader generation curve ~20% increase in production Project ROI is increased and project LCOE is reduced due to ~20% higher energy return for

nly ~10% project CAPEX increase

+8-10% System CAPEX +18-25% Power Generation Tracking Fixed Tilt Afternoon Demand Peak

SLIDE 3

ARRAY HAS INSTALLED +20,000 KILOMETERS OF TRACKERS

“Array has the most extensive track record of any PV tracker vendor.”

– Greentech Media Research, Global Tracker Landscape Report 2017

Dubai, UAE Boston, USA

Vast experience provides timeless reliability

16,000+

MW Years of Operation

SLIDE 4

Array’s trackers operate flawlessly in desert-type conditions

Low-latitude desert
Ambient temperatures up

to 46°C

Presence of dust
High UV exposure
Hot, dry summers very

similar to MENA desert climate The v The vast majority of st majority of Arra Array’s 7G y’s 7GW of W of op

perati

erational

nal capacity is in dese

capacity is in desert-l

like

e conditions in Southern Calif conditions in Southern California, Arizona, Ne rnia, Arizona, Nevada and T da and Texas xas

SLIDE 5

Tested and Approved for Desert Environments

IEC 62817 tracker

certification

480 hour test
Exposed the tracker to

fine dust

Cycled the temp -30 to

60 C while running

Confirmed - NO

NO

perational change
Array has decades of

desert experience

SLIDE 6

Industrial-type motor; dust & UV-proof, no batteries

Highest quality AC motor, industrial

grade

Only one motor per almost 1MW!
Sealed and lubricated for life
Double viton seals, enclosed to be

protected from UV

Extremely wide temperature range –

unlike battery-based technologies The mo The motor is the hear r is the heart of t of your syst ur system! em!

SLIDE 7

Batteries in the Desert to Keep Your Asset Safe?

Unlike Array, all o

all other her track trackers rs rely on electr rely on electrical al st stow

Batteries are essential for
ther trackers to stow
Charge capacity is greatly

reduced above 40°C ambient

Charging at temperatures

below 0°C and above 50°C may cause damage

SLIDE 8

Mechanical wind mitigation; safe in any climate

Arra Array’s uniq y’s unique wind management ue wind management solution solution

No reliance on temperature-

sensitive batteries, no UPS

Elimination of vulnerable

communication chain (7 links!)

Designed for full site wind speed at

all tracker angles

Not subject to torsional galloping

SLIDE 9

Why Array Technologies?

SLIDE 10

Thank you.

Martin Mitscher

Director International Sales and Business Development, Array Technologies, Inc. mmitscher@arraytechinc.com

SLIDE 11

Pioneering role in tracker market dynamics

8% 72% 2006 2016 U.S. Single-axis tracking market share in ground-mount projects [2016 data based on GTM Global Tracker Landscape Report 2016]

Array pioneered the US utility market

transition from fixed rack to single-axis tracking

Lenders and asset owners needed to

be convinced of tracker viability

Primary concerns to address:

 Reliability, O&M, failure risk

Primary target to achieve:

 Reduce LCOE

Challenges in transition fixed  tracked

Optimize LCOE Minimize Operational & Financial Risk Maximize Asset Value

SLIDE 12

Our Experience. Your Advantage.

1991

First Solar Powered Tracker with Battery Back-up

1985

Wattsun corporation founded

2006

First Flexibly Linked Rotating Driveline Tracker

1992

Wattsun Corporation becomes Array Technologies, Inc.

1993

First Active Closed- Loop Tracker Patent Issued

2008

First Tracker Bankability Report

2002

First Individual Row Driven Single-Axis Tracker

2015

V3 Launch:

First Single Bolt

Module Clamp

First Zero Scheduled

Maintenance Tracker

First Torsion Limiter

Load Stabilizing Tracker

2016

Array Introduces New v3 Features:

Flood-plain ready vertical

mount motor

90 module rows for 1500V

systems

CAB integration

2017

Array Introduces:

First Quick

Disconnect Driveline

First 62° ROM

Tracker

SLIDE 13

Venture into the Future of Tracking

Decreased install cost, time, and complexity Accommodation

f new PV module

technology Optimized modular building blocks Monitoring and diagnostics Robotic cleaning

What’s Next?

Extended environmental range of operation (wind, snow, corrosion, temperature) Customized designs for low-load environments

SLIDE 14

Unique, flexibly linked architecture

Unique single-bolt clamp
Standard fasteners &

installation tools

Octagonal torque tube for

easy, robust connections

Extreme terrain flexibility
Only 1 motor per ~1 MW
Proven, industrial-grade

components

Drivetrain lubricated and

sealed for life

Flexibly linked, rotating

driveline with articulating u-joints

New: Quick release

detachable driveline

SLIDE 15

200 × Lower Unscheduled O&M Cost

With Array: 1 repair/year for 100 MW site, and far fewer truck rolls With Decentralized Trackers: 765 repairs/year (2 per day) for 100 MW site, and far more truck rolls

600 × fewer number of service hours

Based on 3rd party data from TÜV

SLIDE 16

7% Lower Scheduled Lifetime O&M Cost

Optimized solutions for vegetation management and module cleaning

50% less frequent mowing due to higher module clearance
6% less area to maintain due to higher module density – NO GAPS!
NEW! Quick disconnect driveline
Robotic module cleaner ready

Zero scheduled tracker maintenance

Robotic module cleaner ready Array = high density and no gaps, robotic cleaner compatible Competitor tracker has gaps and protrusions throughout

Based on 3rd party data from TÜV

SLIDE 17

How Array Prevents Catastrophic Failure

Reliable Wind Design

Designed for full site wind speed

at all tracker angles

Proven mechanical wind

management vs. electrical stow with 7 complex links in the chain

Mechanical wind management not

subject to torsional galloping

Highest Structural Integrity

12 gauge steel, conservative

torque tube spans under 8m long

Octagonal torque tube – easy,

robust connections not subject to fatigue like pin connections

Robust design avoids stress and

damage to modules related to torsional galloping

SLIDE 18

Best-in-class uptime

28 Years of Learning & Innovation

Only 150 for 100 MW

Fewest Failure Points Zero Scheduled Maintenance for 30 Year Life

Our streamlined design is forged from decades of experience Eliminate human error

99.99% Uptime*

Compare to decentralized tracker alternative which introduces a perpetual state

f maintenance, reducing uptime and deteriorating performance.

*Data provided directly from an Array customer’s monitoring system, tracking a conglomerate of sites totaling +300 MW

SLIDE 19

7% Lower LCOE

CAPEX

Highest uptime in the industry delivers maximum energy production

Production OPEX

Streamlined installation and commissioning reduces time onsite and saves upfront cost The lowest scheduled and unscheduled O&M achieves the highest savings

7% Lower LCOE

Based on 3rd party data from TÜV

SLIDE 20

300 ×

Less Likely to Experience Catastrophic Failure

under rated conditions.

20