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Proprietary & Confidential

Rentricity

OverviewOverview

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www.rentricity.com 160 Varick St. New York, NY 10013

©2010 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION

Proprietary & Confidential

Rentricity Provides Clean Energy Recovery for the Potable, Waste and Industrial Water Industries

Water Company Services

Benefits

• Offset Electricity Rate Increases

• Corporate Responsibility

• Energy Recovery & Monitoring using Flow-to-Wire™ Systems

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Increases

• Revenue Generation

• Public Goodwill

• Reduced Carbon Footprint

• Security & Monitoring

• Operational Efficiency

©2010 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION

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Drinking water and wastewater consume:

- 3% of domestic electricity

Water - Energy Connection

Proprietary & Confidential

- 7% of worldwide electricity

- 19% of California electricity

Water utility energy use varies from 0.25 to 3.5 kWh per 1,000 gallons of drinking water produced & delivered

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85-99% of water treatment plant electric consumption goes to raw water & well pumps, high service pumps, filter backwash pumps, distribution booster pumps

Source: American Water Presentation – Institute of Public Utilities Conference – 12/11/08

©2010 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION

Pipes ~ Pressure ~ Power™

Proprietary & Confidential

4©2010 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION

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• 2 MGD

• 45 PSI

Proprietary & Confidential

3 Potable Water Application Targets Wastewater & Industrial in Planning Stages

• 9 MGD

• 40 PSI

Urban Site - 50 kW Mandated Release - 100 kW• 25 MGD

• 25 MGD

• 12 feet

• 40 PSI

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Industrial/Wastewater – 40 kWTransfer Station - 200 kW©2010 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION

• 35 PSI• 12 feet

Proprietary & Confidential

Rentricity Model for Drinking Water, Wastewater & Industrial Water Systems

6©2010 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION

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• Turbine-Generator

Flow-to-Wiresm Components

Proprietary & Confidential

Proven Components, Uniquely Configured

• Interconnection Package

• Pressure Reduction Valve

• Integrated Sensors

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Rentricity patents are under development

80%+ Standardized

Lifespan Up to 40 Years

©2010 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION

Proprietary & Confidential

AFTER

Demonstration Installation

C t l B t G d L l

BEFORE

8©2010 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION

Control Boxes at Grade Level

Meter

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Proprietary & Confidential

Current 2009 Development Projects

9©2010 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION

California Water225 kW

Transfer Station

Pennsylvania

30 kW

Release

New England

50 kW

PRV

California

225 kW

PSV

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Contact Information

P: 617.733.9703 Allie Corless alliec@rentricity.com

©2009 RENTRICITY INC. ALL RIGHTS RESERVED • STRICTLY CONFIDENTIAL • PERMISSION REQUIRED FOR DISTRIBUTION