Forbes  Jul 25  Comment 
SunPower, the second largest U.S. solar equipment manufacturer, is expected to publish its Q2 earnings in the coming weeks. We expect the firm’s revenues to trend lower on a year-over-year basis, amid weaker revenue recognition in its power...
Motley Fool  Jul 22  Comment 
The rising share price for 8point3 Energy Partners may lead to a strong second half for the solar project builders that launched it.
Motley Fool  Jul 8  Comment 
If you can't predict what earnings will look like in 2017, how can you give a stock a proper rating? That's what Wall Street thinks about the solar industry today.
Benzinga  Jul 6  Comment 
Shares of SunPower Corporation (NASDAQ: SPWR) gained as much as about 3 percent after UBS upgraded the stock to Buy from Neutral saying that the recent pullback is overdone. The market is pricing in another 2011 panel downturn. But UBS sees...
Motley Fool  Jun 30  Comment 
Higher efficiency ultimately means lower-cost solar energy, which is why SunPower's latest record is big news for investors.
Forbes  Jun 28  Comment 
SunPower recently announced that it had developed a silicon solar module with a record conversion efficiency of 24.1%, beating the company’s previous record of 22.8%, while putting it well ahead of rivals SolarCity and Panasonic, who recently...
Forbes  Jun 17  Comment 
We are cutting our price estimate for SunPower from about $27 per share to about $23 per share on account of panel oversupply concerns, near-term challenges in the U.S. residential solar market and relatively weak visibility for the company’s...
Forbes  Jun 10  Comment 
While SunPower has 7 power plant projects due for completion during 2016 (as of April 3) with a total capacity of about 575 MW, the company’s project visibility for 2017 remains relatively weak.


I bought the 30 watt solar seystm from harbor freight, it cost $129 on sale, I have it hooked up in my shed to a 115 amp hour battery. My panels have about 6 hours of direct sunlight, which adds up to 240 watts of charging into the battery. This means that I can put another 115 amp hour battery into the seystm. I want to use it to run the lights in the shed as well as an emergency supply of electricity to run cell phone chargers and a small digital tv seystm to watch the news and weather.

Above comment does not pertain to Sunpower.

Watts and amp-hours are not the same thing.

HFT's 30W solar panel system probably does not produce 30W.

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