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LIFE RUNS ON ENERGY®

Owner’s Update

Tampa Electric

May, 2014

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About Tampa Electric

Supplied Tampa area with electricity since 1899

Investor owned utility

2,000-square-mile service area

More than 645,000 residential, commercial, and industrial customers

Five electric generating stations with a total capacity of 4,800 MW

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New Mexico Gas

Purchase to close in

3Q 2014

510,000 Customers

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BB4 Spring 2014 $80M

BB1 Fall 2015 $60M

BB2 Fall 2016 $50M

BB3 Spring 2017 $60M

BB4 Spring 2018 $40M

Major Maintenance Activities

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Major Maintenance Activities

BPS 1 Spring 2016 $30M

BPS 1 Spring 2017 $30M

RTI International Energy Technology Division

RTI’s Warm Syngas Cleanup Demonstration Project Status

Project Team Role

RTI Project management; technology developer

Tampa Electric Host site and operations oversight

Shaw Group, AMEC Engineering (Shaw - FEED, AMEC - EPC)

CH2M Hill Owner’s engineer

BASF Technology (aMDEA® ) for syngas CO2 capture

Clariant Produce sulfur sorbent & other catalysts

DOE/NETL Funding agency; project consultation

Eastman Chemical Technical and operations support

Demonstrate RTI technology to reduce capital costs, improve

efficiency, and lower carbon footprint for gasification

Mitigate design and scale-up risks

Verify capital and operating costs

Capture >90% of carbon dioxide

Continued RD&D for application to chemicals and fuels production

Original 3-D Model

of the

Demonstration

System

Project Goals

Air

Air

Separation

GE Gasifier

(400 psig)

Syngas

Cooling Scrubbers

COS

Hydrolysis

Oxygen

Coal/Petcoke

Char

Syngas

Cooling MDEA

Sulfuric

Acid Plant Sulfuric Acid

Process Condensate

Reheat/

Humidify

Clean Fuel Gas

Slag

Acid Gas

Syngas Diluent (N2)

128 Mwe

(122 Mwe)

8% H2O Extraction Air

~

~

Water Gas

Shift Reactor WDP

Syngas

Cooling aMDEA

CO2

Recovery

Regenerator Gas

Project Scope

Raw Syngas

Currently vented, but could be

sequestered or recycled or used

20% slipstream test (~50 MWe) enables direct commercial scale-up from this

demonstration scale

RTI International Energy Technology Division

Warm Gas Cleanup

RTI International Energy Technology Division

Vendor Fabrication of a Portion of WDP Unit

RTI International Energy Technology Division

Installing WDP Equipment

RTI International Energy Technology Division

Installing WDP Equipment

RTI International Energy Technology Division

Installing WDP Equipment

RTI International Energy Technology Division

Installing WDP Equipment

RTI International Energy Technology Division

Installing WDP Equipment

RTI International RTI International Energy Technology Division

Site Aerial View – Near Completion

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Regional Reclaimed Water Partnership

Partners: SWFWMD, Lakeland, Polk County, Mulberry

Project benefits:

Reduces ground water usage.

Improves water quality at Polk Power.

Addresses future compliance issues for Lakeland, Polk and Mulberry at greatly reduced cost

Cleaner Alafia river

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Regional Reclaimed Water Partnership

The pipeline from

Lakeland to Polk Power

Station will handle flows

from Lakeland, Polk

County and Mulberry.

The water treatment

system is modular/

adjustable for increased

flow

Initial capacity - 5.7

MGD. Expandable to 17

MGD

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Regional Reclaimed Water Partnership

Project is nearing

completion

Startup to begin in

June

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Polk Combined Cycle Conversion

Phase 1

Underway

Phase 2

award

anticipated

in May

In service

January

2017

Florida Conservation & Technology Park

Conservation

Research &

Technology

Recreation

& Learning

Interpretive

Hiking Trails

Bird Watching

Fish

Hatcheries

Coral Propagation

& Reef Restoration

Manatee

Viewing

New

Energy

Technologies

Rope

Courses

Interpretive

Kayaking Trails

Fishing

Camps &

Educational Programs

Visitor

Tours

Animal

Rescue

Science

Laboratories

Plant

Propagation

Florida Conservation & Technology Center

Canoe & Kayak Access

Interpretive Canoe & Kayak Trails

Fishing & Canal Boat Access

Center for

Conservation

Interpretive Walking Trails

Manatee

Viewing

Center

Welcome &

Orientation Center

Energy Technology

Resource Center

Tram Drive

Visitor Parking

Interpretive Trail

Wildlife Viewing Tower

Viewing Tower Boardwalk

Florida Conservation & Technology Center

Florida Conservation & Technology Center

Florida Conservation & Technology Center

TECO ENERGY TECHNOLOGY CENTER

Provide springboard for electric

and gas business opportunities

Provide TEC with operating and

maintenance data

Serve as a USF laboratory

Alternative fueled vehicles demo

Showcase renewable energy

technologies

Stirling Solar Dish

• 60 kW AC output • 24% Capacity Factor • Cost $325,000 • Delivery late 2015 • Manufactured in Sweden

Concentrating Solar PV

• 31.8% efficiency

• 500 Suns

Soitec System

• 7 kW DC Output • 24% Capacity Factor • Cost $12,000 • Delivery Late 2014 • Manufactured in

San Diego, CA

Solar Trough

• Parabolic trough

Sunlight focused on heat transfer fluid

• Fluid sent to heat exchanger

• Hot water or Power

• Supply Industrial hot water for entire sire

• USF 30kW AC generator

• USF thermal storage demo

• Delivery early 2015 • Cost $30,000

without power block and thermal storage

Axial Wind Turbine

• 4.5 kW AC Output • 22% Capacity Factor • Cost $18,000 • Delivery mid 2014 • Manufactured Poway, CA

Ducted Wind Turbine

• 200 kW AC Output • 24 - 80% Capacity Factor • Cost $465,000 • Delivery early 2015 • Manufactured Chaska,

MN

PEM Fuel Cell

• Refrigerator sized

• Fueled with natural gas

• Type used in automobiles

5 kW DC Output 100% Capacity Factor Cost $60,000 Delivery late 2014 Manufactured Hillsboro, OR

Bloom Box

• Fueled with natural gas

• 50 kW DC Output • 100% Capacity

Factor • Cost $ 350,000 • Delivery late 2014 • Manufactured

Newark, DE

Micro Turbine

• 30kW capacity

• Very small portable

REDOX Flow Battery

• Many different electrolytes

• FGCU testing

• 10 kW-Hr storage • 20 micro-second response

time • Load stabilization • Cost $ 30,000 • Delivery late 2014 • Manufactured Brisbane,

Australia

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Natural Gas Igniters

Replacing oil igniters

with natural gas.

Up to 30% co-firing

capability

Fuel savings of $76M

per unit over life of

project

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Potential Project

New Process

Equipment/Process

vendor selected

Design/Build

opportunity

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Questions?