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♦ Wind > AE 4.0 - Residential Wind 7.5 kW

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Statement of Methodology

Application	Method
Energy Audit	A whole house energy audit was provided to align the sizing of the unit with the home energy demands. Recommendations were made where deficiencies were found. A whole house energy audit was provided to align the sizing of the unit with the home energy demands. Recommendations were made where deficiencies were found.
Selection of Site and Application	SES worked closely with the homeowner and vendor in both the site selection and application. SES worked closely with the homeowner and vendor in both the site selection and application.
Wind Installation	A 5 kW wind turbine was selected
Inverter	The inverter was installed to meet IEE standards and integrated with a sub-metering installed by the utility to gather data. The inverter was installed to meet IEE standards and integrated with a sub-metering installed by the utility to gather data.
Net Metering	Meters power at the connection point to the utility grid, subtracting energy produced from energy consumed. Meters power at the connection point to the utility grid, subtracting energy produced from energy consumed.
Battery Backup	Stores energy for use during outages and/or non-production times. Stores energy for use during outages and/or non-production times.
MySource Integration	MySource is an open architecture system developed to allow integration with all data gathered at the end user level. This data is accessible and displayed to the end user and the utility for purposes that are useful to the specific user and organization. MySource is an open architecture system developed to allow integration with all data gathered at the end user level. This data is accessible and displayed to the end user and the utility for purposes that are useful to the specific user and organization.

Case Study Data

Load Curve Comparisons

Load Factor Analysis

Operational Cost Analysis

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Load Curve Comparisons

One intent of the installation of a DG system is to reduce the amount of generation needed from the utility. A utility’s generation is sized to accommodate peak demands. The DG system’s generation curves will be compared with the utility’s load curves to determine the effectiveness of widespread DG installations on peak demand.

This data on Load Curves is on the SES gateway on MySource and is available to SES Partners. To become an SES parner, click here.

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Load Factor Analysis

Many utility rate structures are partly based on load factor, which is the amount of time the system uses peak demands versus non-peak demands. This case study will evaluate the effects of widespread DG installations on load factor.

This data on Load Factor Analysis is on the SES gateway on MySource and is available to SES Partners. To become an SES parner, click here.

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Operational Cost Analysis

Residential
In order to get a proper return on investment of a DG system, consumers must know the operational costs of the system. The factors that are missed more frequently in ROI calculations are maintenance costs (inverter replacement costs, inverter lifespan vs. solar panel lifespan, etc.).
Utility
Distribution grids are primarily designed for the flow of electricity from generation to consumer. Power quality and reliability become questionable with widespread DG installations. These issues carry maintenance and energy costs that Smart Energy Source will evaluate.

This data on Production Output is on the SES gateway on MySource and is available to SES Partners. To become an SES parner, click here.

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AE 4.0 Wind 7.5 kW

This SES case study will focus on a 7.5 kW wind turbine system and will attempt to identify challenges and opportunities faced by both the consumer and the utility involved. The case study will provide information leading to understanding the current technologies, advances and/or challenges in technologies, standards, policies and additional costs. Not only will this SES case study evaluate information concerning the consumer, but also will look into the effects the wind turbine system may have on the utility involved.

Case Study Objectives
♦ Evaluate the requirements of interconnection as identified in IEEE standards and other interconnection procedures.
♦ Examine costs and benefits. What are the implications for utility rate structures?
♦ Identify the impact on distribution engineering and planning and maintenance costs.
♦ Identify how DG will impact utilities’ all power requirements contract.
♦ Create a knowledge base of best practices and best applications for the consumer.

Smart Grid>Residential Solar

AE 2.0 - Residential Hybrid 5 kW | AE 3.0 - Residential Wind 5 kW | AE 4.0 - Residential Wind 7.5 kW

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