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AC TRANSIT

Hydrogen Infrastructure

Sacramento

February 1, 2007

Mallory Nestor-Brush

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68 Million Impressions

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TODAY

• AC TRANSIT HYROAD PROGRAM• RICHMOND STATION• OAKLAND ENERGY STATION• MAINTENANCE BAYS• EMERYVILLE STATION (PLANNED)

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AC Transit Regional Role

One of 14 transit operators» San Francisco MUNI» BART (Capitol Corridor)» AC Transit» VTA» Samtrans» Caltrain» Golden Gate» County Connection» ACE» Wheels, Tri Delta, Vallejo, WestCAT

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Service Area

• Serving 1.5 million

people in 13 cities

• 64 million passengers

• 696 buses

• 2,302 employees

• $250 million budget

• 105 lines (27 transbay)

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• Three new 40’ fuel cell buses

• Nine Hyundai Tuscon fuel cell vehicles

• Electrolyzer hydrogen energy station

• Steam reformer based hydrogen energy station & educational learning center

• Two fuel cell bus maintenance bays

Overview of AC Transit’sHydrogen Fuel Cell Bus Program

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Hydrogen Fuel Cell Bus

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3 – 40' FC Hybrid Buses

• 18% Sustained Grades

• 65 mph max. speed

• Noiseless

Plus one bus for SunLine Transit

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DOE Light-Duty Demonstration• 9 Hyundai Tuscon Fuel Cell SUVs

• Operated by AC Transit Road Supervisors

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28 Partners – $21 Million

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RICHMOND STATION

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Richmond Hydrogen Station• First CaFCP Satellite Station

• Onsite Water Electrolysis: 24 kg/day; $10+/kg

• In Service Since October 2002

• Partnership with CaFCP and Hydrogenics

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30' ISE/UTC Prototype FC Bus• September 2003 – October 2004

• 8,000 Miles in Oakland, Berkeley, Richmond,

and El Cerrito

• 7.5 mpg equivalent (2x Diesel Bus)

83% Availability

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CITY OF RICHMOND PERMITTING PROCESS

10/19/01 Zoning Land Use Application and Environmental Info Form

2/22/02 City of Richmond approves Negative Declaration

5/13/02 Design Review Application

6/06/02 City of Richmond Planning Commission approves Conditional

Use Permit (CUP)

8/21/02 All permits secured for construction and Fire Marshall authorizes

use of Dynetek tanks for ground storage

10/30/02 Grand Opening

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CITY OF RICHMONDCONDITIONAL USE PERMITS (CUP)

• The approved fueling station is for research and development purposes only and shall not be converted to commercial use except through the process of amending this CUP.

• Safety relief devices shall be arranged to discharge upward and unobstructed to the open air in such a manner as to prevent any impingement of escaping gas upon the container.

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OAKLAND ENERGY STATION

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Oakland Energy Station

• Scheduled startup – NOV 2005

• Onsite Natural Gas Reformer

• 150 kg/day; ~$4 to $5/kg

• Stationary Fuel Cell – Facility Power

• Maintenance Center for Buses

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CITY OF OAKLAND PERMITTING PROCESS

01/03 Met with Fire Marshall for Overview of HyRoad Program

01/04 Nexant/ACT met with City of Oakland Fire Marshall

02/05 Submitted plans and request for environmental review to the City of

Oakland

03/04 Met with City of Oakland Design and Development Committee

(DDC) with two options for stations (liquid or gas)

03/04 Entered into partnership with Chevron for construction,

operations and maintenance of energy station

04/05 Notice of Exemption – minor alternative to existing facilities

06/05 Construction Start

11/05 Construction Complete

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GAS SENSOR

FIRE EY E

EMERGENCY STOP

SMOK E DETECTOR

PULL STATION

K NOX BOX

GREEN (NORMAL)

AMBER (HAZARD)

STROBE

RED (HAZARD)

ESCAPE ROUTES

HORN

EP

EP

EP

RS AG

VIDEO CAMERA

*

*

FUEL ISLAND

EP

EP

HYDROGEN GENERATORS

COMPRESSION AND STORAGE

*

S

R

A

G

R

G

A

RS A

FIRE EXTINGUISHER

S

UTILITY ROOM

SERVER ROOM

EXPLOSION PROOF (INDOOR LOCATION)

BUS WASHER

NATURAL GAS MANUAL SHUT OFF VALVE

CHEVRON HY DROGEN COMPANYAC TRANSIT HY DROGEN ENERGY STATION

EMERGENCY ACTION PLAN

WITH ALARM AND STROBE

S

G

Hydrogen Energy Station – Oakland, CA

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Dispensers – 15 min. fuel time @ 5,000 psi;

Digital Communications fill

Compression and storage room – 360 kg @ 6200 psi

Reforming room – 2 trains; 150 kg/day

Vehicle maintenance bay – two 40’ buses

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Hydrogen Energy Station – Oakland, CA

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Hydrogen Energy Station – Oakland, CA

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Hydrogen Energy Station – Oakland, CA

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Hydrogen Energy Station – OaklandAlarm Indications

Strobe and siren: indicates fire condition, fire department notified

> pull station activated or,

> smoke detector activated or,

> two or more flame detectors activated or,

> both vent stack flame arrestors high temperature

indication.

Red light: indicates hazardous condition exists, evacuation from

area is required

Yellow light: indicates problem is or has occurred, latching

Green light: indicates normal operation

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HyRoad Learning Center• Adjacent to the hydrogen

fueling station• For visitors, especially

schoolkids• Includes working FC

exhibit• Includes labs, exercises,

and fun activities• Will be staffed by local

docents

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MAINTENANCE BAYS

BAY 4-SEMINARY DIVISION

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Maintenance Bay 4

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Maintenance Bay 4 Safety Features

•Buses depressurized to 600 psig before entering bay

•Hydrogen leak and fire detection (thermal) systems

•Ignition-free space heating system

•Anti-static, non-skid, grounded floor covering

•If H2 leak detected (20% LEL): garage doors automatically roll up, ventilation fans turn on, heating system shuts off, magnetic doors release

•If H2 leak detected (40% LEL) or fire detected: fire department automatically notified, all electrical power to Bay 4 disconnected (except vent fan and emergency equipment), alarm sounds and building evacuated

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EMERYVILLE STATION(PLANNED)

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Emeryville Energy Station

• Scheduled startup – 2007

• Solar-powered Pressurized

Electrolyzer

• 20 to 24 kg/day

• $750K DOE Grant/$165K Matching Grant

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www.actransit.org/environment