$934
100%
or more of electricity
$29,466
9.9%
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Built to PassivHaus specs 7 kW solar pv's produce twice the home energy load, including heat
$934
100%
or more of electricity
$29,466
9.9%
Property
- Owner:
- Nancy and Tom Southworth
- Type:
- Single-Family Residence
- Address:
- 361 Pleasant Valley Road, Lancaster, , NH 03584
- Size:
- 1,700 sq ft
- Energy need met:
- 100% or more of electricity
- Designations:
- Passive house
- Zero net energy
- Event Participation:
- NESEA Green Buildings Open House 2013 Host
Technology
- Type:
- Solar PV
- Installed:
- April 2011
- Size of System:
- 7.05 kW
- Purposes:
- To generate electricity
Financial Details
- Gross Cost of System:
- $42,984
- Net Cost of System:
- $29,466
- Annual Savings:
- $934
- Annual Revenue:
- $1,976
- Own or Lease:
- Cash Purchase
- Additional Financial Notes:
- Combines solar hot water and PV output Total equivalent of 10683 kWh which, at 18.5 cents/kWh = $1976 "Banked" excess production being saved for future electric car Annual excess would power car for 10,000 miles
Professionals & Suppliers
- Installers:
- ReVision Energy
- Architects:
- Ben Southworth
- Builders:
- Garland Mill Timberframes
What You Need to Know
Description:
The very most energy efficient home that we knew how to build in 2010
Other Benefits:
Warm and sunny
Maintenance Requirements:
Minimal so far (two years).
Efficiency or Sustainability Improvements:
Thermotech triple glazed windows. Extremely tight enclosure. AR-60 sidewalls, AR-120 roof insulation PassivHaus specs
My Motivation:
Building a retirement home that could be easily maintained by two (or one). No furnace, no basement, no second floor, not much lawn, garden next to kitchen door, no electric bill, loads of hot water.
Advice:
Go for it. It is worth it.
Experience with Installer:
Top marks to all from Revision Energy
Additional Notes:
New construction. Perfect solar site. House has nine pitch roof with single 72 foot ridge line.
Open House Info:
Call 603 788 2857
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