Wellington may be a windy city, but it is also sunny. Do you know that for sunshine hours in 2015, we were second main centre behind Tauranga? Wellington was sunnier than Auckland, Hamilton, Christchurch and Dunedin. So get that sun working for you!
Solar panels can (and do) work well in Wellington. Depending on your roof shape, pitch, construction, shading and sun orientation it may be well worth considering solar panels for your home. Ideal scenarios involve roof orientation to north/north-east/north-west, pitch of 40 degrees and at least 4 hours of unobstructed sun per day. Other configurations can also work (our roof angle is only 15 degrees) so it is worth checking out.
Bright Build uses a large array of 26 x ReneSola panels to power our home and workshop. Combined, we can generate up to a maximum of 6.4kW electricity; and the Enphase Energy MicroInverter improves energy harvest, reliability and simplifies the design, installation and management of our solar power system.
Our panels are monitored full-time via the Enlighten app, which measures our energy output and usage in real time. If we are producing more electricity than we are using, we plug in our equipment that requires charging or switch the dishwasher and dryer on. If we produce excess electricity it is automatically supplied to the electricity network (who buy it back from us).
Over the month of February 2018 our home and office panels actually generated more electricity than we used – making us a net contributor to the national grid. Insert image
Solar storage battery costs are steadily decreasing, and in time, solar powered batteries could prove life changing in a natural disaster or prolonged power cut.
And – if you are with Kiwibank – good news! Kiwibank provide a Sustainable Energy Loan for their current home loan customers, which includes a Kiwibank contribution of up to $2,000.
The SuperHome Movement is a group of like-minded people from across New Zealand that want to see Kiwis expect and enjoy a better standard of living, through thermally efficient and sustainable homes. There are a number of SuperHome groups in locations across New Zealand, that meet to raise awareness of the inadequacy of our Building Code, and educate members on new, sustainable technolgies and methods that will provide better living conditions.
SuperHome Members come from many different disciplines throughout the construction industry – builders, architects, suppliers… All participants are united by their passion to build healthier, energy efficient, well-insulated “superhomes”, and to provide knowledge to their clients about better building methods than are traditionally used in New Zealand’s often harsh climate.
Bright Build is a member of the SuperHome Movement.
- Solar panels (generally on the roof of a building) absorb sunlight to generate electricity.
- Light energy (photons) from the Sun will hit the solar panels (Photovoltaic modules) which generate electricity through the photovoltaic effect.
- Energy supply is available for free when the sun is shining on the panels, reducing energy costs (after initial setup of the solar panels).
- Solar energy is from a renewable source.
- Energy from sunny days can be stored in batteries for cloudy days.
- In the future it may be possible to use solar even if the power supply is disrupted by earthquakes or other disasters through use of solar batteries.