Geothermal Energy 2000 Geothermal Education Office.

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Presentation transcript:

Geothermal Energy 2000 Geothermal Education Office

Joy Akey’s House

2000 Geothermal Education Office

Geothermal Tax Incentives Geothermal Heat Pump Tax Incentives – 30% tax credit for homeowners who install geothermal heat pump systems in 2009 and later years. So, for example, if a homeowner pays $15,000 for a geothermal heat pump system installed in 2009, a tax credit of $4,500 could apply. – A credit of 10% of the total investment is also available (no maximum) for a commercial system installation Governors Energy Office

Micro-Hydro

How It Works Water from a stream is channeled into a pipeline to gain enough head (the vertical distance the water falls) to power the system. The Stream Engine operates at heads of about 6 feet and upward. The water passes through a nozzle, where it accelerates, strikes the turbine wheel, and turns the generator shaft.

Advantages of Micro-Hydro Efficient energy source It only takes a small amount of flow (as little as two gallons per minute) or a drop as low as two feet to generate electricity with micro hydro. Reliable electricity source Hydro produces a continuous supply of electrical energy in comparison to other small-scale renewable technologies. No reservoir required Micro-hydro is considered to function as a ‘run-of-river’ system, meaning that the water passing through the generator is directed back into the stream with relatively little impact. Cost effective energy solution Building a small-scale hydro-power system can cost from $1,000 - $20,000, depending on site electricity requirements and location. Maintenance fees are relatively small. Integrate with the local power grid If your site produces a large amount of excess energy, some power companies will buy back your electricity overflow.

Disadvantages of Micro-Hydro Suitable site characteristics required In order to take full advantage of the electrical potential of small streams, a suitable site is needed. Factors to consider are: distance from the power source to the location where energy is required, and stream size. Energy expansion not possible The size and flow of small streams may restrict future site expansion as the power demand increases. Low-power in the summer months In many locations stream size will fluctuate seasonally. Advanced planning and research will be needed to ensure adequate energy requirements are met. Environmental impact Stream water will be diverted away from a portion of the stream, and proper caution must be exercised to ensure there will be no damaging impact on the local ecology or civil infrastructure.

Misconceptions Small streams do not provide enough force to generate power The Truth: Energy output is dependant on two factors: the stream flow and drop. A large water reservoir is required The Truth: Most systems require little or no reservoir to power the turbines. Hydro generators will damage the local ecosystem The Truth: Careful design is required to ensure the system has a minimal impact on the local ecology. A small amount of energy compromise may result, but this will ensure that the project does not have an effect on local fish stocks. Micro hydro electricity is unreliable The Truth: Technology advances ensure that these systems are often more reliable in remote areas. Often these systems are more dependable than the local power main. The electricity generated is low quality The Truth: If the latest electronic control equipment are used, the resultant power supply has the potential to be of higher quality the main electrical power grid. Hydro power is free The Truth: Micro power development can be cost-intensive to build and maintain. There are some fixed maintenance costs. These costs vary according to site location and material requirements.