A comparison of Renewable Energy Resources

SP-3407 Renewable

Energy

A comparison of Renewable

strength resources

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Lecture 35mm slides will be posted to the googlemail site:

[email protected] com

Password: SP123456

Produced by Diane Chan (former UBD student)

2

Leading renewable energy

resources

1 Wind flow Energy

two Biomass Strength

3 Geothermal Energy

4 Hydro Strength

5 Solar Energy

3

Main Characteristics of Different Technologies[1]

Category

Biomass

Conversion System

Scale Range, MWe

Efficiency, %

Combustion/stand by itself

20. 0 – 75. 0

20–40 (elect. )

Combustion/CHP

0. 1 – 10. 0

60–100 (H+P)

Co-Combustion

five. 0 – 20. 0

30–40 (elect. )

Gasification/Diesel Turbine

zero. 1 – 1 . zero

15–25 (elect. )

Gasification/Gas Turbine

1 . 0 – 10. 0

25–30 (elect. )

Gasification/BIG/CC

30. zero – 100. 0

40–55 (elect. )

Digestion/Wet Biomass

Up to a number of

10–15 (elect. )

Modern day wind turbines

~ 5. zero

Dry Heavy steam Plants

thirty-five. 00 – 120. 0

Flashed Heavy steam Plants

15. 00 –- 55. zero

Binary Cycle Plants

zero. 25 – 130. zero

Combined Cycle Plants

10. 00 – 130. zero

Run-of-River

0. 1 -- 14, 1000. 0

Reservoir storage

1 ) 0 -- 18, 000. 0

Photo voltaic (PV)

zero. 05 – 1 . 00 kWp

Availableness

climate based mostly

10–25 (elect. )

0. 50 – 5. 00 kWp

12 kWp–several MWp

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Procedures, Economics, interpersonal considerations and Environment

Technology Specific Boundaries and Accomplishment Factors[2]

BLOWING WIND

Barriers

Success Factors

Not enough good wind flow conditions

-Sites with adequate wind-potential

-Political will to introduce financial aid

Developed Countries

Developing Countries

- Limited sites onshore

Lack of financial

resources to subsidise wind

turbine

Designed Countries

Weighty dependence on

brought in energy assets

Available offshore sites

Producing Countries

Crossbreed solutions ideal

for non-urban electrification

SUN

Barriers

Achievement Factors

-Low energy denseness

-Costs of solar PV electrical power considerably higher than other green sources, substantial capital costs, long payback periods

for Solar Warming

-Clean, allocated power solutions

-Thermal electric powered technologies success for much larger solar

channels

-Vast roof structure area readily available

Energy protection

Developed Countries

Developing Countries

Developed Countries

Developing

Countries

Not cost effective to get grid

electricity for Sun

Heating

-High costs, low availability of

-Low maintenance requirements

-High reliability systems For

Solar Heating

For solar heating substantial

growth prices in

combo with

shortage

PV electrical energy For Photo voltaic Heating

-Lack of financial capability to

subsidise power

projects

5

Hydro

Obstacles

Success Elements

High upfront investment

Developed Countries

Developing

Countries

Best sites have already

been developed

not enough water resource

Renewable energy supply

No GHG emissions during operation

Broadly distributed throughout the word

GEOTHERMAL

Barriers

Success Factors

- Early advancement and production difficulties

-- Drilling technology difficulties

Volumes of potential geothermal useful resource.

Developed

Countries

Developing

Countries

Developed

Countries

Developing Countries

Small solutions with

minimal influence of

nation's energy

Financing constraints due

to high up-front costs

absolutely no

pollution

Biomass

energy source

Over 620 million persons in 39 developing

countries could be 100% supplied by

geothermal power

Limitations

Success Elements

-Bio strength is very land-intensive

-variety of technological alternatives

-Distributed strength production

Created

Countries

Expanding

Countries

Designed

Countries

Developing Countries

Modest resources,

difficulty in creating

economies of scale

Not " modern enough

Distributed

energy resource

Service to rural households

-Private sector involvement in deploying bio energy

six

Global leaders in alternative energy resources

Primary...

References: Energy

Technology Symptoms, 2002

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