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It has been 8 months since I installed my solar photovoltaic (PV) system, and I couldn’t be happier. Low electric bills and the pride of producing my own energy makes all of the hard work worthwhile. I climbed up to check out the system, making sure that everything is still tight and unaffected by the heavy rain season. Of course, like any installation with excellent workmanship, everything checked out fine. PV Systems are so trouble-free and maintenance-free, but even though I know that, I was still compelled to break out my ladder and head up to the roof to take a look. It got meRead More →

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Solar water heaters are very old and proven technology, with roots in ancient times. Modern solar water heating collectors can capture about 85% of the available solar energy in a given area. That’s far above the ~20% harnessed by commercially available solar electric panels. A question often asked is whether someone should buy a solar water heater or a solar electric system, but the answer is not always obvious. One of the solar water heaters we sell has a rating of 12.5kWh/day. This rating is based on a particular climate and rating category (relative water temperatures). What this rating tells us is that the collector isRead More →

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You may have seen my recent post on how Florida utility companies are trying to spin the argument against Netmetering, the method by which millions of solar energy systems interconnect with the utility grid. The gist of the argument is that people who use less energy shift the cost of the grid’s infrastructure onto others. Of course, they don’t say it that way, but that is, in fact, what they are saying. I installed a solar water heater at my home yesterday. This solar energy product does not produce any electricity. It heats (or preheats) water to reduce the amount of energy used by anRead More →

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Let me start by saying that the solar energy debate has nothing to do with solar pool heating or solar water heating, which are traditionally the bread and butter of solar energy products in Florida. This debate is about solar electricity (photovoltaic panels). There has been a rash of articles recently describing a brewing battle between utility companies and the solar energy industry in Florida. Things reached a boiling point when the Public Service Commission refused to hear PUBLIC comment on issues that affect the solar industry. (read that again – it’s true – and it’s shocking). On one side we have the investor owned utilityRead More →

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Well, the match was great… A big win for the US team. Maybe Ghana should have let power lapse during the match… In case you missed it, I posted on Monday about how Ghanaians have a power shortage, and they “purchased power” from Ivory Coast to make sure TVs stayed on during the World Cup match against the United States. To tie this into solar power, I wanted to point out how Ghana can alleviate some (but not all) of their power woes – by installing solar panels, of course! Ghana’s power comes largely from capacity built up in a reservoir behind a dam. The Lake Volta reservoirRead More →

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If you are an FPL Netmetering customer with a solar electric system, you may have received an email recently describing changes to the program. All of these changes apply only to new Netmetering customers, and no action is needed for existing customers. The only significant change that applies to non-government entities is that a manual disconnect switch is no longer needed for new Tier 2 and Tier 3 interconnected systems (systems with a gross power rating exceeding 10kW). Specifically, the email addressed these following changes: Eliminating the requirement for a manual visual load break disconnect switch on U.L. 1741 listed inverter based renewable energy systems.Read More →

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Net Metering, the concept and laws that allow solar electricity producers to connect to the grid and sell back energy, is under attack in the United States. Florida has been spared from the recent trend of utility companies working publicly to repeal or amend Net Metering laws. Utility companies in other states have taken various public and well-funded measures to repeal Net Metering laws or to make Net Metering less attractive to solar energy customers. For example, Arizona utilities recently succeeded in adding a fixed charged for solar producers based on photovoltaic system size. While it was opposed by the solar industry and the finalRead More →

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I just received my FPL Solar Rebate check for the solar photovoltaic system I installed at my home. Needless to say, I’m a happy man today. FPL has a highly competitive rebate program that grants funds to about 300 lucky residential customers per year. The maximum rebate amount is currently $20,000 for a 10 kilowatt rated solar energy system, covering about half of the typical cost. The Federal government kicks in another 30%. The bad news is, the rebate funds are exhausted for 2014. The good news – plummeting PV prices have made photovoltaic systems reasonable investments without utility rebates!

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Did you notice your latest bill from FPL hit you a bit harder in the pocketbook? Effective January 2, 2014, FPL raised rates for residential customers by about 5%, caused mostly by increased fuel charges. This change, approved by the Public Service Commission, also increased the non-fuel base electricity charge slightly. The fixed customer charge remained the same. Bills with the higher charges are arriving in mailboxes now. Want to fight back? Fuel and non-fuel consumption is reduced by conserving energy or by producing your own energy with solar energy or other renewable energy sources. The best part about solar energy is that you shaveRead More →

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My wife will tell you that I was screaming at the TV last night while watching an episode of CSI. I’m one of those guys that points out every little factual mistake in TV dramas. The crack team of CSI agents were trying to determine which home in a neighborhood was using inordinate amounts of energy to identify a drug grow house. They had obtained the “energy” usage of a neighborhood of homes, and identified a home that consumed 5,300 “kilowatts” in one month – a sizable amount of energy supposedly. The problem is, a kilowatt is a measure of power, not energy. It’s beenRead More →

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It has been extremely exhausting, but I finally completed installing a 10kW photovoltaic (solar electric) system at my home in Fort Myers, FL today. The final interconnection was done by my electrician and we fired up the system. To my delight, even with dense cloud cover, my meter started spinning backward! I see this happen many times each year, but now I know the feeling of producing my own energy. I now understand why customers are so antsy and anxious about their installation schedules. It’s EXCITING to be your own power plant! I now understand why people want it, and more importantly, why they wantRead More →

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Fafco Solar just completed a 38.25kW Solar Photovoltaic System for FMI Hansa Medical Products in Naples FL. The rooftop solar array is comprised of 153 solar modules from Canadian Solar rated at 250W each. The microinverter-based system uses 153 Enphase M215 microinverters mounted beneath each solar module. FMI Hansa representatives contacted me less than a month ago after realizing that the original company contracted to install the solar panels was not meeting its obligations. The owner had a strict November 20 deadline for a ribbon cutting ceremony at their beautiful new facility at 3511 Plover Ave, Naples, FL. Based on what I observed, the contractorRead More →

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I’ve been relatively quiet about the 10 kilowatt solar electric (photovoltaic) system that I am installing at my home in Fort Myers, FL. Normally I would be writing incessantly about something like this, but honestly I didn’t think it would go the way it did. I decided that I would learn what the hard working men of Fafco Solar endure every day on rooftops while installing solar energy systems. In particular, I wanted to experience the roadblocks that come with installing a solar photovoltaic system, the most complex product Fafco Solar offers. Photovoltaic systems require the most planning, integration, skill, and physical labor of anyRead More →

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I received a question from a potential customer today about power production guarantees for Photovoltaic (PV) Systems. I realized that I hadn’t covered that issue on my blog, so I thought I would copy the question and response here (revised for clarity). Question: Is there a guarantee on the percentage  power output of the proposed photovoltaic system? Answer: The Canadian Solar CS6P-250P modules themselves have a power production warranty that states basically that they will put out a minimum of 97% of rated power at test conditions during the first year and degrade no more than 0.7% per year thereafter through a total of 25 years. ThisRead More →

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Men may be from Mars, and Women may be from Venus, but both share an interest in Solar Energy. What’s interesting is the products each gender tends to buy. At risk of sounding stereotypical and seriously impacting my home life, I decided to write this post anyway. I have fairly hard data behind my opinion, so I figure I can get away with it. I have found that men are the primary buyers of Solar Electric (Photovoltaic) Systems in Southwest Florida. On the other hand, women and men equally or collectively tend to drive the decision to buy solar pool heating systems. The last 10Read More →