Fully Integrated Wind Turbine Solutions

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Donna Kelly
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1 Fully Integrated Wind Turbine Solutions

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Orenda Design Orenda s Skye wind turbine is the solution of choice for the following customers: Agriculture - Farmers Real-world Application.

customers: 49kW is right in the sweet spot for these customers Orenda s unique and patented hydraulic tower does not require special roads or cranes for installing or maintaining the wind turbine,

greater up-time and reliability Each wind turbine has a warranty reserve, which de-risks your significant investment and secures Orenda's long-term sustainability, giving you peace of mind!

wind-speed increases, which ultimately brings the turbine to a controlled stop (refer to page 9 for more information) Safety management - Fail-safe braking systems, and 7 levels of redundancy

3 Orenda Design Orenda s Skye wind turbine is the solution of choice for the following customers: Agriculture - Farmers Real-world Application... Landowners - Large Acreages Small-Scale Wind Farms - Wind Park Developers & Investors There are several key attributes of the Orenda Skye solution that makes it THE easy choice for these customers: 49kW is right in the sweet spot for these customers Orenda s unique and patented hydraulic tower does not require special roads or cranes for installing or maintaining the wind turbine, thus allowing you to use your land for generating money/agricultural purposes Designed to IEC standards, delivering: Maximum up-time and unsurpassed levels of safety Bankability through greater up-time and reliability Each wind turbine has a warranty reserve, which de-risks your significant investment and secures Orenda's long-term sustainability, giving you peace of mind! Orenda Philosophy Orenda s Skye wind turbine solution delivers unrivaled safety, reliability and up-time through the following: 6 stage speed control design - Used to control the wind turbine as wind-speed increases, which ultimately brings the turbine to a controlled stop (refer to page 9 for more information) Safety management - Fail-safe braking systems, and 7 levels of redundancy Over-sized rotor - Captures maximum available wind even in low and moderate wind regimes Patented hydraulic tower - Safe and quick maintenance/installation done on ground level (approximately 20 mins, one operator and a wrench is required to lower or raise the wind turbine) U.S. Pat: 8,371,074 IEC Class II design standards 3

The ORENDA SKYE Wind Turbine Solution General Configuration Annual Energy Production (AEP): 104,000 kwh (at 5m/s; hub height) Rated Power: 49kW (at 10 m/s) Total Turbine/Nacelle Weight: 3304 kg

4 The ORENDA SKYE Wind Turbine Solution General Configuration Annual Energy Production (AEP): 104,000 kwh (at 5m/s; hub height) Rated Power: 49kW (at 10 m/s) Total Turbine/Nacelle Weight: 3304 kg Operating Temp: -10 C to +40 C Type: 3 Blade; Upwind Pitch System: Fixed Pitch Drive System: Direct Drive Design Class: IEC Class II Cut-in Speed: 3.5 m/s Cut-out Speed: 25 m/s Survival Speed: 59.5 m/s Integrated Lightning Protection Rotor Blade Length: 9.2m Weight: 660kg Diameter: 18.9m Swept Area: 286.5m 2 Material: Fiberglass Maximum RPM: 54 RPM Alternator Type: Voltage: Cooling: Permanent Magnet 480VAC Air Cooled Regenerative Drive System Inverter Type: AC/DC - Variable, Frequency Drive Converter Type: AC/DC - Pulse width modulated IGBT frequency converter Voltage: 400VAC, 3 phase Frequency/Phase: 60Hz or 50Hz Hydraulic Tower Options Design: Patented; self-contained, fully integrated, hydraulically operated tower (U.S. Pat: 8,371,074) Lowers to the ground in approximately 20 mins with only 1 operator Tower Heights: 18.5m, 23.4m, 31.7m Yaw System Type: Drive: Active (Computer Controlled) Digitally Controlled Hydraulic Motor Control System Electrical (Grid) Load Presentation via the Regenerative Drive System (RDS) Dynamic Hydrostatic Brake - Rotor speed control Hydraulic Parking Brake - Fail-safe hydraulic brake module to maintain turbine in parked position Resistive Load - Supplemental resistive load in the case of grid failure, or loss of power to the turbine tower Controller Processor: Advanced embedded DSP system running Orenda OS 4 User Interface: 10 HMI with Orenda Iris access Remote Communications: Internet enabled via Ethernet Monitoring System: Orenda Iris Internet-based Internal Communications: Modbus TCP via shielded Ethernet All specifications subject to change without notice

5 Power Curve Power (kw) Windspeed (m/s) Rated Power at 10 m/s: 51kW Annual Energy Production (AEP) AEP (kwh) Average Annual Windspeed (m/s) Annual Energy Production (AEP) at 5 m/s; hub height: 104,000 kwh Graphs based on manufacturer s data All specifications subject to change without notice

Key Nacelle Design Elements Orenda s Skye nacelle incorporates the following key design elements: Hydrostatic Braking System (patent pending) - High-speed, closed loop rpm control Maintains the

6 Key Nacelle Design Elements Orenda s Skye nacelle incorporates the following key design elements: Hydrostatic Braking System (patent pending) - High-speed, closed loop rpm control Maintains the turbine at its optimal operating rpm across all wind speeds Fail-Safe Parking Brake Maintains the turbine in parked position when required Computer-Controlled Upwind Active Yaw + Safety Release Clutch Direct Drive; Permanent Magnet Generator Higher reliability, and low cost operation Anemometer Ultrasonic sensor for wind speed direction Lightning Rod Iris Remote Monitoring 6 Iris is a remote monitoring and control system that provides three levels of access: Customer, Dealer and Orenda Engineering. It connects securely over the internet providing real-time: Remote configuration & operation of system online Performance data (Real-time and historical) including wind speed and power production Remote shut down and restart of the turbine, invaluable in areas where the weather changes quickly and severely Collection of data, including RPM, voltage levels, average wind speed, export power and state of wind turbine True bi-directional communications with the turbine power control unit

7m tower height options Lower/Raise in approximately 20 minutes with only 1 operator Can be lowered quickly and easily in inclement weather Easier installation Especially in places inaccessible to

7 Key Hydraulic Tower Specifications Tower operation requires nothing more than a wrench and 1 operator! Completely self-contained integrated hydraulic system Patented multi-pivot point to manage stresses 18.5m, 23.4m and 31.7m tower height options Lower/Raise in approximately 20 minutes with only 1 operator Can be lowered quickly and easily in inclement weather Easier installation Especially in places inaccessible to cranes or soft surfaces All maintenance at ground-level Increased safety and reduced costs Dodecagon monopole Withstands the harshest conditions Greatly reduces total cost of ownership by eliminating cranes; providing best-in-class financial returns U.S. Pat: 8,371,074 Tower Standards Compliance Tower sections made from structural quality, high strength, columbium-vanadium low alloy steel (ASTM-A572 GR60, Q420E) Steel is hot galvanized per ASTM A123/A153 standards Base plate and flanges: CSA GR350W (Q345) Welding in accordance with AWS D1.1/D1.1M 2008 Patented hydraulic tower: U.S. Pat: 8,371,074 7

Turbine Power Control Unit The Turbine Power Control Unit (TPCU) performs system control and power conditioning functions and consists of the following: The turbine system

sufficient power to the TPCU to allow controlled shutdown in the event of a grid failure *All above components are certified to the UL 1741 and CSA 22.

system which continually monitors all key parameters and moving parts to ensure safety and optimal performance.

8 Turbine Power Control Unit The Turbine Power Control Unit (TPCU) performs system control and power conditioning functions and consists of the following: The turbine system controller and human interface (HMI) Regenerative Drive System (RDS) Acts as a bi-directional AC-DC-AC converter Uninterruptable Power Supply (UPS) Capable of providing sufficient power to the TPCU to allow controlled shutdown in the event of a grid failure *All above components are certified to the UL 1741 and CSA 22.2, G59/2 (UK) standards for grid connection Computerized Control System The key to our performance is our ability to manage all system components with a computerized control system which continually monitors all key parameters and moving parts to ensure safety and optimal performance. Here are examples of some of the many parameters displayed in the control system: Wind speed & direction Remote start & stop Power production Key safety information Generator RPM Temperatures Hydrostatic brake condition Cable twist Communication quality with nacelle 8

9 Simple & Safe Installation Installation is simple and safe, with minimal disruption to land usage. No need to build a special purpose road for crane access, thereby maintaining maximum acreage as unspoilt for its original purpose. What does this mean for you? BEST-IN-CLASS FINANCIAL RETURNS; no need for a crane, qualified climbers, or a roadway for routine servicing throughout the 20+ year life of the product! Safety Systems Orenda has created fail-safe systems to safeguard the Skye wind turbine in the event of the following conditions: Condition Hydrostatic Brake Regenerative Drive System Resistive Load Parking Brake Yaw Out of the Wind Complete Power Failure Loss of Communication with Nacelle Controller Major System Fault High Wind Cut Out Applied N/A Applied Applied Passive Applied Applied N/A Applied Passive Applied Applied N/A Applied Active Applied N/A N/A Applied Active Over RPM Applied Applied N/A Applied Active 9

10 Lightning Safety Systems System / Device Description Nacelle The anemometer has integrated lightning protection Blades The blades have a copper cable from tip to base to channel lightning Conforms to IEC Turbine Bearings The turbine bearings are protected by 200kV insulation, the lightning charge is carried from the turbine shaft to the tower by dual 1,000 volt brushes 6 Stage Speed Control Design Orenda Energy Solutions Skye wind turbine has a hierarchy of systems to control the turbine as wind-speed increases, and ultimately bring the turbine to a controlled stop: 1. Electrical Load Torque Control 2. Hydrostatic Braking (patent pending) 3. Stall Regulated Blades 4. Active Yaw 5. Emergency/Parking Brake 6. Dynamic Resistive Load (Grid loss) 10

Safety Management Orenda s Skye wind turbine solution is equipped with the latest technology to maintain safe performance: Braking System In event of failure, both the hydrostatic and parking brake

11 Safety Management Orenda s Skye wind turbine solution is equipped with the latest technology to maintain safe performance: Braking System In event of failure, both the hydrostatic and parking brake are applied (fail-safe) Grid Loss In the event of loss of grid, the resistive load in the tower replaces grid load and allows the turbine to come to a safe stop Cable Twist The turbine counts the number of cable twists and automatically unwinds on start-up once it has reached a set number of twist revolutions Anemometer If no wind speed reading is present, the turbine remains in free yaw, with the parking brake applied If wind direction does not change regularly, it is assumed the reading is inaccurate and the turbine is brought to a controlled stop Multiple Sensor System - There are multiple sensors which drive the computer controlled alarm system Any significant alarm will result in the turbine being brought to a controlled stop Uninterruptable Power Supply (UPS) - Capable of providing sufficient power to the TPCU to allow controlled shutdown in the event of a grid failure 11

12 Insurance Coverage Orenda has succeeded in obtaining insurance coverage for the Skye wind turbine. Insurance includes: Operator error, other than failure to maintain All risk cover (fire, lightning, explosion, aircraft, malicious damage, earthquake, storm, flood, impact, theft, accidental damage and breakdown) Income protection cover; loss of income Quotations and coverage are arranged directly with Clark Thomson via: Kevin Hancock +44 (0) Graeme Christie +44 (0) Clark Thomson Insurance Brokers Ltd is authorised and regulated by the Financial Services Authority (Registered in Scotland No ) 12

Key Customer Benefits Orenda design offers key benefits and value to its customers: Feature Benefits Value Direct Drive & Fixed Pitch Blades Computerized Monitoring & Control System Self Contained

13 Key Customer Benefits Orenda design offers key benefits and value to its customers: Feature Benefits Value Direct Drive & Fixed Pitch Blades Computerized Monitoring & Control System Self Contained Hydraulic Tower System (U.S. Pat: 8,371,074) Hydrostatic Speed Control System Iris Remote Monitoring and Control System Insurance Coverage Simpler design, Fewer moving parts, Higher reliability, Lower maintenance All key parameters are monitored and controlled in real time No cranes, cherry pickers or climbers required, Easier maintenance, Protection in storms Maintains optimal rpm across all wind speeds, maximising power output Remote access to sensors, Remote stop & start, Remote updates for latest firmware, Real-time energy production display, Historical data All risk cover (fire, lightning, explosion, aircraft, malicious damage, earthquake, storm, flood, impact, theft, accidental damage and breakdown) Income protection cover; loss of income Operator error, other than failure to maintain More up-time, Higher energy production, Lower cost, Superior financial return Performance optimization Unsurpassed safety and peace of mind, Superior financial return Lower total cost of ownership, Superior financial return, Improved reliability and risk management Greater reliability and up-time; Generating optimal amounts of electricity; Best-in-class financial returns Predictive maintenance, More up-time, Higher energy production protection in storms, Superior financial return Financial returns, even during downtime Eliminates risk for significant investment 13

14 Why Choose Skye? Skye hits the sweet spot for most FiT regimes worldwide Applicable for installation on sites where the grid capacity is restricted Skye s performance characteristics lends itself to farmers, landowners and small-scale wind parks & developers Oversized rotor captures the broadest range of wind speeds for conversion into electricity, producing best-in-class financial returns Hydrostatic speed control system (patent pending) is unique to Skye design and is used for optimal performance, up-time and safety Patented hydraulic tower (U.S. Pat: 8,371,074) does not require special roads or cranes for installing or maintaining the wind turbine, thus allowing you to use your land for generating money/agricultural purposes Allows greater risk management by being able to install and maintain the wind turbine on ground level Best-in-class financial returns, by lowering the cost of installation and maintenance Orenda s warranty contingency Your significant investment is protected (A portion of revenue generated from sales is set aside to fund any potential warranty work in the future) Orenda Skye qualifies for insurance coverage In summary - De-risking your significant purchase giving you peace of mind 14

15 Notes 15

16 Now that you know all about Orenda, the next step is for you to contact us for more information. We will be able to answer any other questions you may have about our fully integrated wind turbine solutions. Contact us now! NORTH AMERICA: UNITED KINGDOM: +44 (0) Fifth St. W, PO Box 634, Morrisburg, ON, K0C 1X0 Canada

FD21-50 GHREPOWER. Version: 3.0

FD21-50 GHREPOWER. Version: 3.0 FD21-50 GHREPOWER ShanghaiGhrepower Green Energy Co Ltd Shanghai Ghrepower Green Energy Co., Ltd. Version: 3.0 1.0 Design Features Ghrepower s 50kW wind system is a gearless, direct drive permanent magnet