Csp Presentation Ae

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U.S.A 1174 GRIMES BRIDGE ROAD SUITE 100 ROSWELL, GA. 30075 TEL: 678-507-0125 / 0126 CELL: 404-944-8315 FAX: 678-580-0000

Acacia Energy presents

Acacia Energy, Inc.

Solar Power With CSP Technology

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Acacia Energy presents

Acacia Energy, Inc.

Table of Content

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2. Industry Overview

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3. Value Proposition

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4. Technology Roadmap

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5. Management Team

1. Acacia Energy Overview

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Acacia Energy, Inc.

Solar Power With rising fuel costs, climate change concerns and a growing demand for

electricity, renewable energy resources such as solar power are becoming an

increasingly valuable part of the world's energy mix.

Building on a strong power generation heritage spanning more than a century,

Acacia Energy 's solar products and systems have proven performance and

reliability. Utilizing our industry expertise and leadership in energy technologies,

Acacia Energy is currently pursuing a number of projects that will make large-

scale solar installations simple and affordable.

Acacia Energy can take your solar plant‟s performance to the next level with our

monitoring and controls system, helping you to get the most complete

information and desired production from your plant.

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Acacia Energy, Inc.

Our Vision Provider of Packaged Concentrated Solar Thermal and larger sized Integrated

Solar Combined Cycle power plants to the developing world.

Deliver combined Solar Thermal Power and Water Desalination solutions

Stimulate local economic growth and employment in Middle East, Africa and Asia

through manufacturing, assembly and power plant operations.

Achieving our Vision Design small‐scale, standardized and “containerized” 5MW and 10MW solar

thermal power plants that are built in a factory and delivered to a site rather than

constructed on a site.

Focus on Distributed Generation for base-load and peak-load solutions to

overcome problems with site selection, and to decrease transmission line costs and

energy losses.

Establish regional presence through Industry partnerships, manufacturing centers

and to incubate solar technology leadership to build a vertically integrated global

solar energy.

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Acacia Energy, Inc.

Table of Content

1. Acacia Energy

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5. Management Team

2. Type of Solar Power

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1. Residential Solar Power

2. Commercial Solar Power

a). Solar Dish Engine

b). Solar Power Tower

c). Solar Parabolic Trough

Solar Power

Acacia Energy, Inc.

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Residential Solar

Power1. Solar Panels

2. Inverter

3. Transfer Switch

Acacia Energy, Inc.

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Residential Solar

Power-21. Solar Panels

2. Inverter

3. Transfer Switch

Acacia Energy, Inc.

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Acacia Energy, Inc.

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Acacia Energy, Inc.

Table of Content

1. Acacia Energy

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5. Management Team

3. Industry overview

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2. Commercial Solar Powera). Flat Panel Commercial

b). Solar Dish Engine

c). Solar Power Tower

d). Solar Parabolic Trough

Acacia Energy, Inc.

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Acacia Energy, Inc.

Flat roof mounting system for commercial

Commercial Solar Powera). Flat Panel Commercial


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Acacia Energy, Inc.

The photovoltaic (PV) system is mounted on the

roof of the Buildings. The system, designed,

engineered and installed by Acacia Energy has

specially designed racking to complement the

building‟s distinctive barrel-shaped roof.

Solar ArrayCommercial Grid-Tie Solar Systems include

Why solar power system for business?

With the federal tax credit, available state rebates, and a five year accelerated

depreciation of the system value, the return on investment of a large solar power system

has never been better. Typical ROI's are 5-8 years when systems are purchased directly

from Solar Electric Supply and self-installed. With our financial analysis tools we can

help determine the ROI of a solar power system on your business.

a). Flat Panel Commercial


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Acacia Energy, Inc.

Stabilize your power costs: With utility rates rising every year, a solar

power system can stabilize your power costs. After the system has paid for

itself, you are producing free power, lowering the costs of the remaining

power you buy from the utility.

Green Marketing: There's no better way to show your customers that your

business cares about the planet than by installing a grid tie solar system.

Many customers the fact that their business is solar powered in all their

marketing literature and communications. You can talk about your business

minimizing it's carbon footprint. If your business is not too power hungry,

you can actually become carbon neutral with a solar power system that

meets 100%.

Time for a new roof? There's no better time to install a solar power system

than when your are putting on a new roof. You can drastically lower the cost

of your system by using your roofing contractor to install the solar array

supports on your underlying building structure. They will seal the supports

and warranty their installation for any leaking. Then it's easy to install the

array on the supports with your facilities staff or a local electrician.



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Acacia Energy, Inc.

Grid Tie Inverter

Grid Connection:Grid tie solar electric systems for commercial

businesses and government agencies are the fastest

growing segment of the solar market worldwide. With

net metering programs now approved in most of the

locations, thousands of businesses, schools and

government agencies are now experiencing the

benefits of solar electricity.

Many states have rebates to further help subsidize the

cost of the solar photovoltaic system. With solar panel

warranties of 25 years, solar arrays will stabilize your

power costs over that period. Plus, they generate the

electricity during peak load times, often offsetting

higher tier utility rates, enhancing the



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Acacia Energy, Inc.INDUSTRY OVERVIEW

Key characteristics

Assessment

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Flat Panel Solar Power

• Flat mirrors (w/Fresnel lens) focus sunlight on receiver tubes that heat transfer

fluid (usually synthetic oil) or directly steam, which is then used to drive steam

turbine (use of synthetic oil: heat exchanger step interconnected)

• 1‐axis tracking system to follow sun path

• Temperature range: 270 ºC to 500 ºC

• Efficiency range: 15% to 25% (unproved), capacity factor ~20% (without

storage)

• Flat mirrors, frames, and receivers significantly cheaper than parabolic

configuration

• System feasibility is proved, technology improvements ongoing, market

readiness ~ 2015

• Modular, can cover wide capacity ranges

• Commercially unproved

• Low temperature limits prospects of on‐site energy

storage.

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2. Commercial Solar Power

Acacia Energy, Inc.


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Dish/engine systems convert

the thermal energy in solar

radiation to mechanical energy

and then to electrical energy in

much the same way that

conventional power plants

convert thermal energy from

combustion of a fossil fuel to

electricity

Acacia Energy, Inc.b). Solar Dish Engine

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Dish/engine systems use a mirror

array to reflect and concentrate

incoming direct normal insulation

to a receiver, in order to achieve

the temperatures required to

efficiently convert heat to work.

This requires that the dish track

the sun in two axes. The

concentrated solar radiation is

absorbed by the receiver and

transferred to an engine.

Acacia Energy, Inc.


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Key characteristics

Assessment

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Dish Sterling

• Parabolic concentrator comprised of multiple heliostat mirrors focuses

sunlight on concentrator

• Self‐contained gas in concentrator is heated and expands in cylinders

whose movements drive generator

• Temperature range: 750 ºC to 800 ºC

• Efficiency range: 16% to 29%, capacity factor ~22% (without storage)

• Highest efficiency potential

• Modular, suitable for decentral generation

• Commercially unproved

• Limited number of developers, slower technology advances,

market readiness expected only after 2015

• Complex mechanics might result in high O&M costs

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Commercial Solar Power

Acacia Energy, Inc.


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Acacia Energy, Inc.

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Power tower hybridized with

combined cycle plant. Power is

produced in the gas turbine

(fossil only) and from the steam

turbine (fossil and solar). Steam

from the solar steam generator is

blended with fossil steam from the

heat recovery steam generator

(HRSG) before entering a steam

turbine.

Acacia Energy, Inc.


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Acacia Energy, Inc.c). Solar Power Tower

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Solar power towers generate

electric power from sunlight

by focusing concentrated

solar radiation on a tower-

mounted heat exchanger

(receiver).

The system uses hundreds to

thousands of sun-tracking

mirrors called heliostats to

reflect the incident sunlight

onto the receiver. These

plants are best suited for

utility-scale applications in

the 30 to 400 MW range.

Acacia Energy, Inc.c). Solar Power Tower

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Commercial Solar Powerb). Solar Power Tower

In a molten-salt solar power tower, liquid salt at

290ºC (554ºF) is pumped from a „cold‟ storage tank

through the receiver where it is heated to 565ºC

(1,049ºF) and then on to a „hot‟ tank for storage.

Hot salt is pumped to a steam generating system that

produces superheated steam for a conventional

Ranking-cycle turbine/generator system. The steam

generator, the salt is returned to the cold tank where

it is stored and eventually reheated in the receiver.

Storage tanks can be designed with sufficient

capacity to power a turbine at full output for up to

13 hours.

Acacia Energy, Inc.

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Key characteristics

Assessment

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Power Tower

• Heliostat mirrors track sun individually (2‐axis) and focus sunlight on

central receiver unit on top of a tower

• High temperature steam or molten salt from tower drives steam turbine

(potentially via heat exchanger)

• Energy storage through molten salt reservoir

• Temperature range: 250 ºC to 600+ ºC

• Efficiency range: 10% to 25%, capacity factor ~32%

Technology rapidly evolving through several pilot plants on ground/under

construction, market readiness expected ~2011

• High temperature allows better integration of on‐site energy storage and

direct steam technology

• Not yet commercially proved

• High temperature might entail high O&M Cost.

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These plants, which continue to operate on

a daily basis, range in size from 14 to 80

MW and represent a total of 354 MW of

installed electric generating capacity. Large

fields of parabolic trough collectors supply

the thermal energy used to produce steam

for a Rankine steam turbine/generator cycle

Acacia Energy, Inc.


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Acacia Energy, Inc.


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shows a process flow

diagram that is

representative of the

majority of parabolic trough

solar power plants in

operation today. The

collector field consists of a

large field of single-axis

tracking parabolic trough

solar collectors. The solar

field is modular in nature

and is composed of many

parallel rows of solar

collectors aligned on a

north-south horizontal axis.

Acacia Energy, Inc.d). Solar Parabolic Trough

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Each solar collector has a linear

parabolic-shaped reflector that

focuses the sun‟s direct beam

radiation on a linear receiver

located at the focus of the

parabola. The collectors track the

sun from east to west during the

day to ensure that the sun is

continuously focused on the linear

receiver. A heat transfer fluid

(HTF) is heated as it circulates

through the receiver and returns to

a series of heat exchangers in the

power block where the fluid is

used to


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Acacia Energy, Inc.


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Acacia Energy, Inc.


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• Parabolic mirror focuses sunlight on receiver tubes containing heat

transfer fluid (synthetic oil)

• Hot fluid generates steam via heat exchanger, driving steam turbine

• Energy storage through molten salt reservoir possible

• 1‐axis tracking system follows sun path

• Temperature range 390 ºC to 415 ºC possible

• Efficiency range 10% to 18%, capacity factor ~30% (without Storage)

• Commercially proven technology, first plant build started in 1980s

• Modular, can cover large capacity ranges; economies of scale

• Relatively low overall efficiency

• Low temperature limits prospects of on‐site energy

Key characteristics

Assessment

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Parabolic Trough

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Acacia Energy, Inc.

Table of Content

1. Acacia Energy

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5. Management Team


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Acacia Energy, Inc.

Vision:Acacia Energy is rapidly deploying and commissioning systems using

"off-the-shelf" bankable parabolic trough technology that is well-

understood by the industry. These generation assets will provide early

revenue with predictable twenty-year income streams, as well as

allowing us to continuously enhance the system and installation process

for later projects.

Our GoalFuture generations in Acacia Energy‟s product line will leverage our

experience with initial system installations to fine-tune our technology.

We will work with established partners to customize existing designs in

order to implement different heat transfer mediums and proprietary

thermal storage systems to provide base load generation.

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Technology Roadmap

Acacia Energy, Inc.

Acacia Energy‟s implementation of Solar Thermal

offers unique advantages• Provides 24 hour base load power generation capability from the same

capital equipment. PV needs a primary power source.

• Acacia Energy provides a lower capital cost.

• Solar Thermal provides greater grid voltage stability with a spinning

reserve from rotating equipment.

• Flex hybrid fuel capability can allow use of cheaper fuels than diesel.

• Acacia Energy s plant architectures provide optional water

desalination and chilled water as by‐products from the waste‐heat

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Acacia Energy, Inc.

Table of Content

1. Acacia Energy

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5. Management Team

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Acacia Energy, Inc.

Acacia Energy's team has over 50

years of collective solar power

generation experience with strong

representation in technology

development, project development

and project execution. Our team

brings an outstanding track record to

carry out the company's mission of

making solar thermal energy a

leading solution in the 2.5 MW and

250 MW for Power Generation

market.

5. Management Team

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Acacia Energy

Acacia Energy, Inc.

U.S.A1174 GRIMES BRIDGE ROAD

SUITE 100

ROSWELL, GA. 30075

TEL: 678-507-0125 / 0126

CELL: 404-944-8315

FAX: 678-580-0000

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