Living Off the Grid (And Without Propane)

Our Ontario home is powered by sun, wind and wood, and consumes almost zero fossil fuels.

| October/November 2011

  • Kemp Off Grid House
    Bill and Lorraine Kemp have been living off the grid for 20 years. They power their home with electricity from solar and wind electric systems, heat with wood, and use solar and wood-fired water heating.
    PHOTO: THE RENEWABLE ENERGY HANDBOOK/AZTEXT PRESS
  • Solar Electric Panels
    About 85 percent of the home’s power comes from solar electric panels.
    THE RENEWABLE ENERGY HANDBOOK/AZTEXT PRESS
  • Solar Water Heating Panels
    These solar water heating panels provide about 60 percent of the Kemps’ hot water.
    THE RENEWABLE ENERGY HANDBOOK/AZTEXT PRESS
  • Kemp Woodstove
    When the Kemps moved away from propane, they ended up with several stoves they use for different purposes. This woodstove is for home heating.
    THE RENEWABLE ENERGY HANDBOOK/AZTEXT PRESS
  • Battery Storage
    The electricity the Kemps generate feeds into this bank of batteries.
    THE RENEWABLE ENERGY HANDBOOK/AZTEXT PRESS
  • Bill and Lorraine Kemp
    Lorraine and Bill Kemp (shown here with dogs Shadow and Cedar) have committed to consuming as little fossil fuel energy in their home as possible. The 1.5-kilowatt wind turbine in the background supplies about 10 percent of their electricity.
    THE RENEWABLE ENERGY HANDBOOK/AZTEXT PRESS
  • Induction Cooktop
    This energy-efficient electric induction cooktop is used for cooking during summer.
    THE RENEWABLE ENERGY HANDBOOK/AZTEXT PRESS
  • Kemp Wood Cookstove
    This wood cookstove helps with heating, water heating and winter cooking.
    THE RENEWABLE ENERGY HANDBOOK/AZTEXT PRESS
  • Kemp Living Room
    The Kemps’ renewable energy systems produce enough electricity to power all of the usual home electronics, including a large television.
    THE RENEWABLE ENERGY HANDBOOK/AZTEXT PRESS

  • Kemp Off Grid House
  • Solar Electric Panels
  • Solar Water Heating Panels
  • Kemp Woodstove
  • Battery Storage
  • Bill and Lorraine Kemp
  • Induction Cooktop
  • Kemp Wood Cookstove
  • Kemp Living Room

Twenty years ago, when my wife, Lorraine, and I decided to move off the grid, our motivation was simple. Lorraine wanted to move closer to her family, preferably to a piece of land large enough to offer some privacy and plenty of room to support her “addiction” to animals. A lot at the back of her family’s farm fit the bill (and the wallet). There was only one downside: It would have cost tens of thousands of dollars to connect the property to the nearest electric lines. The solution was obvious: Don’t connect to the grid and instead plan to run our house entirely with renewable energy. We put our plan into action, and have been enjoying off the grid living ever since. Here’s how we run our rural Ontario home using an absolute minimum of fossil fuel energy.

An Efficient, Off-Grid Home

We built our home to look like a traditional country farmhouse from the early 1900s, and added some passive solar features to reduce the heating and cooling load. For example, the large roof overhang on the front porch shades the house from direct sunlight in the summertime while allowing the low-angle winter sun to warm the house. We also made the home as energy efficient as possible. We insulated primarily with blown-in cellulose, manufactured from recycled paper products. For areas that were difficult to insulate in this manner, we used spray foam (urethane) insulation, which has the added benefit of forming its own vapor barrier. Other energy-efficient features of our home include solar-powered vent fans, radiant-barrier insulation, vapor and wind barriers, and careful joint sealing.

Our domestic water system is “off the grid,” too, and we’ve made it as efficient and eco-friendly as possible. We have a standard drilled well with a deep-well submersible pump and a large water-pressure accumulator tank to minimize pump cycling. Our fixtures are all low-flow or ultra-low flow, which keeps our water consumption well below half the Canadian national average of 91 gallons per person per day. Our septic tank has an effluent filter, and a leaching bed that allows our wastewater to percolate through the earth and right back into the water table. To keep the water clean, we have always used natural and phosphate-free cleaners.

Solar and Wind Power

Our electrical-generating equipment originally consisted of a photovoltaic (PV) sun-tracking array with a peak electrical rating of 1.2 kilowatts. This array is composed of 16 individual PV panels rated 75 watts each. We also installed a Bergey 1.5 kilowatt wind turbine on a 100-foot guyed lattice tower.



Rounding out the electrical-generating mix is a 10 kilowatt diesel generator, which we run on between 30 and 100 percent biodiesel, depending on the ambient temperature. We would prefer to use 100 percent biodiesel all the time, but we have to add some diesel to the fuel mix. Biodiesel doesn’t work well in extreme cold, and in our location, winter temperatures can be as low as minus 22 degrees Fahrenheit.

The PV panels provide approximately 85 percent of our total annual electricity requirements, while the wind turbine provides 10 percent and the backup generator provides the remaining 5 percent or less. The electricity feeds into a battery bank with a gross capacity of approximately 3,500 amp-hours. Low-voltage power from the batteries feeds into an inverter bank with a total output capacity of 6 kilowatts, which in turn supplies household electrical needs.

englishrancher
3/30/2019 7:46:26 AM

As far as heating goes, I'm surprised no one brings up Rocket Mass Heaters (or rocket stoves) over conventional fireplaces. RMHs are 80-90% efficient because it burns much hotter - enough to burn all smoke and gases so virtually nothing but 150 degree heat leaves the chimney. Conventional fireplaces are so wasteful with an efficiency of only 10%! Also, if you route outside air to feed the RMH, you don't suck all the warm air from inside the house, consequently, replacing it with cold air sucked into the rest of the house. Ever notice how the far end of a house seems colder than before the fire started? It's not because your body is acclimated to warmth of the fireplace. It actually is colder.


maggie
12/4/2016 11:22:06 AM

Wood heating is great. We heated exclusively with wood for over a decade, and held down jobs where we were away from home for long days, six days a week. Our whole life was consumed by splitting wood, stacking wood, carrying wood into the the house to be burned, burning the wood, and cleaning up after the wood (chips, ash). The house had to be winterized every time we left to visit family for a few days, in case the masonry heater couldn't keep up if the temperature fell to sharply, or in case we were delayed in our return due to weather conditions (this was frequently a problem). We would have loved heating with wood if we hadn't had to work away from home during most of our waking hours. Most people have to have a job to pay the bills. It might be nice to do if we had a pension to live on, or worked from home. We moved and use a heat pump to heat our new old tiny house, and I worship the thermostat.


CountryMommyLove
9/30/2014 11:40:37 AM

I always wanted to live out in the country and have the bare minimum in terms of utilities in my home. I have been fascinated with the aspect of using renewable energy and being able to have the necessities during bad weather. I recently decided to purchase a Kitchen Queen Wood Cook Stove and I am in love. Not only can I cook with it but I can heat my home and my water. It has saved me a ton already when you look at the cost of heating with natural gas or propane anymore. I purchased my stove through antiquestoves.us. If you are interested in taking a look just follow this link: Growing up my grandparents cooked solely on a wood cook stove and I always dreamed of having one. Now that prices have gotten so high when it comes to heating and natural gas alternative methods are becoming much more important. Wood cook stoves are very beneficial not only in long term but in short term as well. Take the Kitchen Queen Wood Cook Stove for example that not only allows you to cook but also heat your home and water (if you want). I recommend using antiquestoves.us when purchasing a wood cook stove. Not only do they offer great prices but they also have amazing customer service. During the month of October they are offering a deal where if you spend $3,200 you get a $100 off coupon. To get to their site simply follow this link: http://antiquestoves.us/shop/kitchen-queen-wood-cook-stove/11-kitchen-queen-wood-cook-stove-480.html







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