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Case Studies

1. Case Study (2017): 2,500 Sq. Ft., two-story house, new construction
  • Net Zero - makes all it's own energy, zero carbon footprint
  • New construction conventional PV system pays for itself after 6 years
  • ​30 years of energy at 28% of current PSEGLI rates
  • ​Saves $98,828 on PSEG bills over 20 years (assuming 5% annual rate increases) for a net cost of $25,000​
  • Year 1: reduces PSEGLI CO2 emissions by 17,615 pounds
Find out more about government incentives:
CLICK HERE
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     Fig. 1. 2017 Case Study: 2,500 ft Long Island home

PGI Geothermal HVAC Costs and Incentives

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Annual Geothermal HVAC Comparison

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2017 Green Logic Solar Electric System
Cost & Return on Investment

System Size: 12,320 Watts 
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Net Zero Verification

Comparing two electric meter readings one year apart determines net consumption of an all-electric house with net meter
  • PSEGLI meter reading 9/29/2017  00294​
  • ​PSEGLI meter reading 9/28/2018  98647
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Net consumption was: (1,647) kWh, or net production of 1,647 kWh, so project generated an annual surplus (net zero achieved)

A Net Zero house banks energy March-Sept., consumes banked energy Oct-Feb

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