An energy-plus-house is a house producing more energy from renewable energy sources, on average over the course of a year, than it imports from external sources. This is achieved using some combination microgeneration technology and low-energy building techniques such as passive solar building design, insulation and careful site selection and placement.
It may involve a reduction of modern conveniences, preferring those with low-energy requirements. However, many energy-plus houses are almost indistinguishable from a traditional home, since they simply use the most energy-efficient solutions (i.e. appliances, fixtures, etc) throughout the house.
| Wikibooks has a book on the topic of
How to reduce home energy usage </td>