Residential Solar Calculator

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Heritage Solar with Offices in Orange County and San Diego

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Irvine California- Orange County Solar

Irvine, CA

Poway CA - San Diego Solar

Poway, CA

Mission Viejo CA - Orange County Solar

Mission Viejo, CA

Poway California Solar Installation

Poway, CA

Placentia CA - Orange County Solar

Placentia, CA

San Diego CA - San Diego Solar

San Diego, CA

Rancho Santa Margarita CA - Orange County Solar

Rancho Santa Margarita, CA

Valley Center California, San Diego Area

Valley Center, CA

El Cajon, Ca

El Cajon, CA

Carlsbad, CA

Residential Solar Calculator
Enter your Power company
Enter your Monthly kWh Usage

Your Average Power Bill (after August 2006)

System Size 3 Options	Option 1	Option 2	Option 3
System Size	Small	Medium	Large
% of Total Power Bill	40%	60%	100%
System Size in kW
Projected Solar system kWh/month

Solar system price at $9.50 per watt
Less Federal Tax Credit up to $2000
Less State Rebate
Total System Price after Federal and State Incentives

Current Power Bill (Using August 2006 rates)
New Power Bill with Solar

Finance your System with a Home Equity Loan
Cost of Money (Home equity loan)	7.00%	7.00%	7.00%
Number of years financed	30	30	30
Your Monthly Loan Payment
Your State and Federal Tax Bracket	30%	30%	30%
Your State and Federal Tax Savings
Your Monthly Solar System Cost after tax

Savings (Short term and Long term)

Rate of Energy Cost Inflation	6%

Your Savings per Month (1st year)

Your 30 Year Savings

ExcelEverywhere

Instructions:

1. Use the pull down menu to choose your Power Company

SCE = Southern California Edison

SDGE = San Diego Gas and Electric

2. Enter you average monthly power usage in kilowatt-hours (kWh)

You can get this information from the power company's web site

3. Click the Calculate button

4. Evaluate which system suits your needs.

Option 1 Small System

Option 2 Medium System

Option 3 Large System

This calculator estimates system size. Your actual cost may vary due to roof construction. Additionally, smaller systems cost slightly more per watt than larger systems.

Serving Southern California, Orange County, San Diego County, and the following cities: Aliso Viejo, Anaheim, Anaheim Hills, Balboa, Balboa Island, Bonsall, Brea, Buena Park, Capistrano Beach, Carlsbad, Cathedral City, Chula Vista, Corona Del Mar, Coronado, Costa Mesa, Coto de Caza, Cypress, Dana Point, Del Mar, Dove Canyon, El Cajon, El Toro, Emerald Bay, Encinitas, Escondido, Fallbrook, Foothill Ranch, Fountain Valley, Garden Grove, Huntington Beach, Imperial Beach, Indian Wells, Irvine, La Habra, La Mesa, La Palma, Ladera Ranch, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Lemon Grove, Mission Viejo, Monarch Beach, Murrieta, National City, Newport Beach, Newport Coast, Oceanside, Orange, Palm Desert, Palm Springs, Placentia, Portola Hills, Poway, Rancho Mirage, Rancho Santa Margarita, Rancho Santa Fe, San Clemente, San Diego, San Juan Capistrano, San Juan Hot Springs, San Marcos, Santa Ana, Santee, Seal Beach, Solana Beach, South Laguna, Temecula, Trabuco Canyon, Tustin, Villa Park, Vista, Westminster, Yorba Linda