Solar and Wind Power in the Philippines

The Philippines being only a tiny producer of energy has the average Filipino still paying a high price for its fuel.  Some donated or government funded efforts to power barrios and villages in the Provinces have already been available for almost 10 years now, and solar energy to power heating in our showers for about 20 years now, but it is in these times that a commercial alternative for more solar use is slowly becoming viable.

In Tanauan City Batangas, there is already a factory called SunPower Corporation designs, manufactures and markets high-performance solar electric technology worldwide.  For other different  home use brands, a solar water heater systems from Solahart costs around P60K propose roi in 3 to 5 years. An 80 watt single panel power system sold by Solarco costs P70K. This is connected to a DC car battery that can run 5-8 pieces of 11 watt light bulbs for 6 hours. In AC mode for your outlets, an inverter will be needed and runs up the cost for several more batteries.

What if you would like to power your whole house with solar electricity are things like the refrigerator, the lights, the computer, the TV, stereo equipment, motors in things like dryer, washer, etc. According to howstuffworks, a solar panel that contains 4 cells can produce 0.45 volts and 100 milliamps, or 45 milliwatts each cell. Each cell measures 2 inches by 0.5 inches. In other words, with these solar cells you can generate 45 milliwatts in one square inch (6.45 square cm). For the sake of discussion, let's assume that a panel can generate 70 milliwatts per square inch. Let's say that all of those things average out to 600 watts on average. Over the course of 24 hours, you need 600 watts * 24 hours = 14,400 watt-hours per day.

From their calculations and assumptions above, we know that a solar panel can generate 70 milliwatts per square inch * 5 hours = 350 milliwatt hours per day. Therefore you need about 41,000 square inches of solar panel for the house. That's a solar panel that measures about 285 square feet (about 26 square meters). That would cost around $16,000 right now, or 704,000 pesos at 44:$1. Then, because the sun only shines part of the time, you would need to purchase a battery bank, an inverter, etc., and that often doubles the cost of the installation.

If you want to have a small room air conditioner in your bedroom, double everything.  With these figures, we can see that solar power is only for those that can afford it, and roof space may already be an issue.  How much paneling could you fit on top of a small townhouse in Manila that would need about two air conditioned rooms?  Needless to say, the bigger the house, the proportionate roof space vis a vis electric demand increases.  

In your average 6 to 10 million peso town house in manila, would it be feasible to invest in a 1.5 million peso solar panel setup (assuming it would fit 50 square meters of roof)?   Your electric bill would average maybe 5 to 7 thousand pesos per month, and that would be on a minimal refrigerator and air condition use.  That would give you a shocking 17 year ROI on your investment, and would cost 20% of your house!

That is why commercially availble solar technology in the Philippines is used primarily for shower heat and lighting needs in affluent homes.  If the average 700K php would be used to power minor heating and light bulb needs, it would be assumed that the usage would only be available during optimal sunny conditions.  For storage, one would have ample batteries packing the energy.   An average household might use 10Kwh per day. seven days stored power ? would be 70Kwh, or maybe about 145 car batteries might do it.

Needless to say, although varying strength of wind is available day and night, it is not constantly available 24 hours.  That is why there is not much info and usage of home wind power in the internet, even though it costs 1/2 of solar paneling.  Two more letdowns for this would have to be, again, a lot of batteries to store un-constant wind generated electricity, and zoning laws.  City ordinances would have to be redone to allow for unsightly windmills that would have to be placed much higher than average two storey rooftops to have optimized effect.

Anyway, even as we speak, research to alternative means to the traditional costly nickel batteries are doing well, and an oxygen hydrogen battery may be used in the future for cheaper electric storage.

In the past we all had unsightly television antennas, it was okay because there was no alternative. So I guess in the future, unsightly positioned windmills and solar panels (when they become cheaper), coupled with non-nickel future batteries may be the way to go.


  1. Now Solar Power Set for home is very affordable and very nice.

    Email all your inquiries and questions to:
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    Affordable and high quality. Includes solar panel, solar charge controller, power inverter and battery.

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  2. Good day!

    im VERY interested in solar or wind power to be my home source of energy, needless to say bcoz of high cost of electric bill now a days, but unfortunately i dont know any store or company here in the Philippines that can help me with this dilemma, much more teach me the basics that i need to venture in this project.

    Your help will be appreciated very much.

    Thank you!

  3. I’m really interested by knowing the operational system of solar power. Is there’s an school offering a technical about solar system?

    thank you!!!!

  4. Our company manufactures solar concentrators that increase electricity production 300% (that’s 3 times) compared to fixed array. Visit our website at
    Manny Bade

  5. edrian chica says:

    im really interested in assemble and technical application of a solar panel… is there a trining or guide or even school to provide my interest. and also all kinds of renewable energy developed now for application in residencial.

    thank you….

  6. i have around 60 computers on my shop with a 3 tonner ac. 4 window type aircons. how much will it cost me to setup a solar powered internet cafe?

  7. How much power can a solar panel supply if it can cover an estimated area of about 12′ x 18′ of roof space? Can it be enough to supply 440 watts of electricity and for how long.

  8. Freedom R. Natividad says:

    i would like to have a solar back-up power generator for my home. can u help me on how i can do this? and how much would it cost me? thanks

  9. j.a. romualdez says:

    palitan mo lang yun mga g.i. sheets mo ng mga solar panels, mabili mo sa mga hardware stores sa sm or ayala. siguro kaya na yan sa 50,000, u can check it out. good enough to absorb some of your electric bills– for lights, computer, tv, etc

  10. heheh sumagot naman ang mga may pakana neto ng masagot naman ang mga tanung dito, or hiding an idea…for more 700k ^_^ pis

  11. kasi para malaman ko ang price ng inverter 5000 watts kung meron po kayo at anu po ang warranty at kung saan ko ma pi pick up…salamats po ..mabuhay po kayo…

  12. hi, in case you’re still interested on the solar panel stuff, just hit me and I’ll give the prices and see if it’ll meet your budget., we have solar products made from singapore. We’re also open for product demo/ presentation. If you have very technical questions relating on the product, I’ll have our engineering team for answers. am no member of this site so you can reach me at 09277019002….Thanks…I’m from muntinlupa btw —-.

  13. is it possible to use solar panels to irrigation pumps ( deep well)?

    if so, how much does it cost?

  14. nonoy martirez says:

    im install 12 pcs of solar panel in my house, every piece of my panel is 100watt 12vdc output. im working in series connection” i’ll make 144vdc. im removing the diode at solar panel circuit and i”ll make 144vac.
    i install automatic voltage regulator 1000 watts variable type and plug my battery charger” and connect to my lead acid type battery , and plug to my home made 5000 watts igbt type inverter” bingo”
    i”ll powered my 4- unit tv 32 inch lcd, 2- electric fans, 10 pcs 20 watts cfl lamps, 1-laptop, 1- disk top pc,and i”ll charge my cellphone” if any body interested to my project pls feel free to contact me;;

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