Estimating Solar Home Costs - Begin With the End in Mind

This article is one in a series that examines howrenewable energy, you will not only reduce your overall
homeowners can prepare to use solar energy in theirenergy usage, but also displace your use of disposable
homes.energy with energy you've harvested on your own. It's
So, you're thinking of getting on the renewable energyalso a great way to do your part in protecting the
bandwagon and reducing your carbon footprint in yourenvironment and setting an excellent example for your
home. Good for you! Lately, homeowners andneighbors and your community.
business owners have bombarded with positive newsMeasure What You Want to Control
(e.g., government incentives for implementing solarFor most people, the reason solar home and business
technology) as well as negative news (rapidly-risingcosts are on their radar is because they wish to limit
energy costs and the long-term effects of globalthe financial strain imposed by the rising costs of
warming). For many, the idea of transitioning to solarelectricity, oil and natural gas. As our energy
power for energy seems more than a little intimidating.consumption costs rise, our disposable income falls,
Do you remember a time when only the rich orand we may feel the strain as a reduction in the quality
excessively nerdy owned a personal computer? Iof our life and lifestyle. Perhaps, as a result, we eat out
know this was several decades ago, but the truth is,less often....or buy a smaller flat-screen TV. We may
the rest of us held back until nearly everyone weclaim these as important markers to gauge our
knew owned a computer. One day--and it's comingcommitment towards investing in renewable energy
sooner than you think--most homes will use asources like solar, but there is a much better way:
combination of renewable energy sources to supplyMeasure what you want to control. By quantifying, or
most, if not all, our required home energy. Solar will bemeasuring, the benefit we are expecting to receive
a big part of this equation. However, where should youfrom our investment, we can better control how
begin? I'm going to assume for a moment that you aresatisfied we'll be with our decision. Do you know the
neither a solar scientist nor thermal engineer, and thatamount of your electricity bill each month? How about
your idea of researching solar is to go down to youroil and/or natural gas? Has the amount changed
neighborhood Home Depot and ask the friendlyyear-over-year? How much? You need to know such
salesperson if they sell solar panels, and which onedata in order to create a baseline; that is, a starting
from the bunch they would recommend. Bad idea. Firstpoint from which you can measure your future energy
off, Home Depot doesn't sell solar panels. (Not my localcosts and/or savings relative to what those costs are
store, anyway). Second, without doing your homeworktoday. Knowing these costs can help you determine
about your own home energy consumption, you won'tsuch critical factors as evaluating how long it will take
be in a position to know what your own personalfor your renewable energy system (e.g., solar panels)
energy goals and needs should be.to pay themselves off in cost savings.
Begin With the End In MindAction Item: Set Your Baseline
Your goal is probably not to impress your friends andOkay...everything sounds good and you're still
neighbors with nice, space-age solar panels on yourcommitted to going solar? Then it sounds like you're
roof. Realistically, your goal is probably to save someready to 'set your baseline' by determining your energy
money by reducing your current monthly energy costs.consumption usage for today, last month, a year ago
And this can be done in several ways: a) Reduce yourlast month, and so on. You'll probably need to gather
current home energy consumption; b) produce energyand organize your old energy bills from the shoebox or
from renewable energy sources to displace your usefile cabinet. Once you have your old bills in hand, the
of disposable energy sources; or c) a combination ofnext step is to conduct a Home Energy Audit which,
both. If you're like most, you can probably see theamazingly enough, you can do yourself.
benefit of choice c) a combination of reducingDo-It-Yourself Audits
disposable energy consumption while increasingIf you have five minutes and your last 12 months of
production of renewable energy. So, when you beginutility bills, you can use the ENERGY STAR Home
with the end in mind, you'll know your goal and you'llEnergy Yardstick to compare your home's energy
know what you have to do to get there.efficiency to similar homes across the country. You
Choice A: Reduce Your Current Home Energycan even get recommendations for energy-saving
Consumptionhome improvements from ENERGY STAR. When
This one is easy: Turn off the light when you leave theusing the ENERGY STAR service, you will also need
room; take warm showers instead of hot; turn downto enter some information about your home (such as
the thermostat when you go to bed; use thickerzip code, age, square footage, and number of
sheets and warm bed covers as needed; don't leaveoccupants). If you don't have your bills, you should
the water running when you brush your teeth. (Howcontact your utility company for a 12-month summary.
many more activities can you think of?) Sadly, this isProfessional Home Energy Audits
not as popular a choice because most people haveIf you prefer to have a professional perform an
grown accustomed to--and enjoy--their usual comfortsenergy audit on your home, you can consider
of home, and many are not willing to adopt a changecontacting a professional Home Energy Auditor. Hire a
of lifestyle in order to reduce their carbon footprint.Professional Home Energy Auditor If you are
Choice B: Produce Renewable Energyinterested in getting specific recommendations for
This could well be your 'jump in' point--the point atimproving the efficiency of your home, you might
which you've decided to explore solar energy as aconsider contacting a professional Home Energy
renewable energy source to offset your skyrocketingAuditor. A professional auditor typically uses a variety
water, electric and/or heating bills for your home orof techniques and equipment to determine the energy
business. Assuming you don't plan on building a nuclearefficiency of your home. These audits are quite
reactor in your basement, you have two viable options:thorough, often using equipment such as blower doors,
For consumer-oriented renewable energy, yourwhich measure leaks in the building envelope, and
choices are solar and wind power. (This articleinfrared cameras, which can reveal hard-to-detect
focuses on solar power, but there have beenareas of air infiltration and missing insulation.
numerous instances of families who were able toNote: Some utility companies offer free or discounted
move completely off-grid by integrating both wind andenergy audits to their customers. If yours does not, you
solar systems).might consider hiring a home energy professional, such
Choice C: Reduce Current Home Energy Consumptionas a certified Home Energy Rater, to evaluate your
While Generating Renewable Energy.home's energy efficiency. Read additional articles
This is a winning formula. By reducing your currentabout solar cost issues by visiting The Solar Cost
consumption of disposable energy while generatingGuide.