Ocean Compressed Air Energy Storage (OCAES)

Enabling Renewables To Become Baseload Energy

Innovative GCAES™ Compressor/Expander Technology

• Shore-Based• Modular• Scalable• No External Fuel / Carbon-Free

Air Receivers in Deep Ocean Waters

• 600M to 2000M Water Depths• Uses Ocean Water Column to Eliminate Need for Pressure Vessel• Scalable

Submarine Pipeline

• Linking Compressor / Expander Units to Air Receivers• Horizontal Directional Drill / Micro Tunneling in Shallow Water Region

What is OCAES?THREE KEY COMPONENTS:

(OCAES)Ocean Compressed Air Energy Storage

+ Fully Dispatchable Clean Power + Utility-Scale Bulk Storage+ Low Cost

• Founded by Veteran Wind Developers

• Backed by Development Financing from US Renewable Group, Duke Energy, and Others

• Developers of GCAES™ Technology

• Also Funded Under DOE ARPA-E

• Incorporated 2006

• Headquarters: Newton, MA

• Engineering News Record Top 100 Design Firm

• Global Infrastructure Consultancy Specializing in Marine Nearshore and Offshore Projects

• 27 Global Offi ce Locations

• Incorporated 1945

• Headquarters: Long Beach, CA

What Makes OCAES Compelling?

Why choose OCAES?

Who Are We? PARTNERSHIP BETWEEN GENERAL COMPRESSION + MOFFATT & NICHOL

Corporate Office

3780 Kilroy Airport Way, Suite 750

Long Beach, California 90806

phone: 562.590.6500

fax: 562.590.6512

www.moffattnichol.com