Mid-Winter Update on Solar Power

We had some actual, much needed rain in December 2014, so power generation was reduced. Obviously the shorter days and lower sun angle also reduce solar power production in the winter. We’ve had our mid-December to mid-January bill, and so far we still have a credit with SoCalEd. It’s pretty ( more… )

Solar Electric Update As Winter Approaches

During the long, sunny days of summer when we produce much more energy than we consume our electric bill goes negative as Southern California Edison pays us for excess power applied to the grid. But as winter approaches the days start getting shorter and shorter, and we inevitably start using ( more… )

Eight Months Driving an Electric Car

In a few more days our Chevrolet Spark EV battery electric vehicle will be 8 months old. By now I’m very used to the car and there has been enough time for its flaws to bother me and its strong points to become apparent. I’ve learned how to hyper-mile in ( more… )

Solar Gadget Charger Update

Here is an update on my home made solar gadget charger. A new voltmeter is on its way, expected to have greater brightness in mid-day sun. Meanwhile the professional solar installation on our roof is producing over 100kWh daily at this long day time of year. It’s all good.

Home Made Solar Motion Floodlights and Gadget Charger

Using found materials whenever possible, I have cobbled together various bits to make a solar powered gadget charging station with two motion detecting floodlights. It’s a very unimportant project, but it keeps me from playing in the middle of the street. The metal box was originally a sonar fish finder ( more… )