921 12th St SE

Residential - December 2014

Solar is good for the soul.

Quick Facts

Average Annual Savings

$1,400

Energy Needs Met

75% to 99%

of electricity

Net Investment

$22,860

Return on Investment

25.8%

Property

Owner:: Russell Mawn
Type:: Residential
Address:: 921 12th St SE, Washington, DC 20003
Size:: 2,100 sq ft
Energy need met:: 75% to 99% of electricity

Technology

Type:: Solar PV
Installed:: December 2014
Size of System:: 8.2 kW
Purposes:: To generate electricity

Financial Details

Gross Cost of System:: $32,657
Value of Tax Credits:: $9,797
Net Cost of System:: $22,860
Annual Savings:: $1,400
Annual Revenue:: $4,500
Own or Lease:: Cash Purchase
Additional Financial Notes:: http://mawn.com/solar/SolarPayback-1.htm

Professionals & Suppliers

Products:: SunPower
Installers:: Solar Solution

What You Need to Know

Description:

(26) SunPower E-327 Panels (2) SMA SunnyBoy TL-4000 Inverters

Other Benefits:

SunPower has about the best customer information tools around. The monitoring features of this installation are easy to use.

Maintenance Requirements:

Minimal, one service call after re-install from new roof.

My Motivation:

Environmental concerns and financial incentives.

Advice:

Shop around, get references.

Experience with Installer:

All good experience with SolarSolutuion LLC.

Additional Notes:

Don't be shy about asking the installer to put things where YOU want them. We were able to put up as many panels as our roof would hold.

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