25 Alternative Energy Strategies - 4

For homestead and/or community independence

We’ve looked a bit at on-site electrical generation, transportation fuels and building technologies. In this installment we’ll look at some ways of putting things together into overall strategies for homestead independence.


Part 4: Hybrid Energy Systems

In a previous post a short video was offered about as small, 1Kw hybrid energy system using solar and wind offered by a company in Canada. Whether you’re planning to go off-grid with storage batteries or negotiate a price for your excess production with the local utility (and get a “backwards meter”), the same thing is true of energy supplies as is true of general homestead success - diversify. So Here are five hybrid systems, some good links and some cool ideas for planning your alternatives…

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25 Alternative Energy Strategies - 3

For homestead and/or community independence

A Happy Solar Homestead

When we discuss alternative energy strategies, any able homesteader is going to be concerned with building and various secondary retrofits to homes, barns and outbuildings. The more energy the homestead can gain passively - or conserve passively - the less energy will be required to supplement.

In these strategies 11-15 of the series, we’ll look at some of the ways a homesteader can use smart, green building practices and technologies to lessen their dependence on supplied energy sources.

Part 3: Building Technologies & Alternatives

11. Passive Solar Siting and Construction

Whether you’re building a new house or barn, or simply retrofitting to what’s already there, strategies for making the most of nature where you live will help to save on energy inputs.

To make the most of passive solar, consider how much direct sunlight falls on your homesite throughout the year. If you get ample sun (have a site that has an ample southerly exposure), plan accordingly. Big windows (with no significant overhang) can provide direct solar heating in the winter. Dark stain or paint on the south wall will also absorb heat from the sun. Conversely, walls that are mostly or entirely shaded during the day, plus the north wall, should have as few windows as is reasonable.

Limit heat gain in summer by planting deciduous trees (apples are good) fairly close. Also bear in mind that any south-facing roof is a good place to put solar panels or solar collectors for hot water (or both). If you do install these, you’ll want retractible awnings for your south windows because you don’t want any summer shade trees interfering.

Green Building Basics

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25 Alternative Energy Strategies

For homestead and/or community independence

This series will provide an overview of the most promising energy systems and strategies for homestead or rural community independence. Most of these are available right now, some can be put together by the handy homeowner or community action group, and some will be available in the near future. Combined with common-sense conservation practices these can contribute a great deal to the independence of individual homesteads and rural communities willing to work together.

These technologies and ideas will be divided into particular technologies and presented together - 1. Electrical production; 2. Transportation alternatives - vehicles, fuels and power to operate the kind of equipment necessary to a rural lifestyle (trucks, farm and garden equipment, remote generators, etc.); 3. Building technologies and direct alternatives for heating/cooling and their applications; 4. Hybrid systems that can even out production and tie together for constancy of supply; 5. Collective strategies for small, cooperative communities striving for self-sufficiency and willing to invest together for alternatives that benefit all.

Part 1: Electrical Generation

We use electricity to light our homes and outbuildings, refrigerate our food, wash and dry our clothes, prepare our food, provide our in-home entertainment (music, television, computers), and sometimes to heat or supplement our heat during the winter. The “average” electricity use per home in the US (this is something we can personally adjust downward by conservation and appliance/heat alternatives) is ~900 Kilowatt hours per month. Get that down to ~700 for your home/homestead, and we’re talking less than 8,500 KwH per year.

What are the best alternative sources for that much on-site electrical generation?

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Working Hybrid Wind-Solar System

Here’s a short video demonstration of a hybrid home electrical generation system developed by SEMA Technology that we’ll be exploring in more depth later. While it does depend on a storage system (battery), it would only take one of these to power my homestead. I’d still have to weigh longevity of its capacity and cost of replacement before I’d change my mind about going with the backwards meter. Which might cost me less over time and avoids the necessity to either turn off the solar cells or send the wind energy to a heat sink as waste.

Next week I’m planning a series looking at the best and most affordable technologies out there right now, and what’s on line for the future.

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