Articles
The questions people ask us before they buy anything, answered at length. Start with whichever one is stopping you.
17 October 2025
Debunking the Myth: Solar Panels Are Too Expensive
Think solar energy is only for the wealthy? Think again. Thanks to lower installation costs, government...
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17 October 2025
“Solar Doesn’t Work on Cloudy Days”: True or False?
Many believe solar panels stop producing power on cloudy days, but that’s a myth. Even with limited...
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17 October 2025
Understanding Net Metering and Your Electric Bill
Net metering lets you earn credits for the excess solar power your system sends back to the grid. Learn...
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17 October 2025
Solar rebates and tax credits, and what a household actually gets
There is no household solar rebate to apply for. Here is what there actually is...
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17 October 2025
Smart Home Upgrades That Pair Perfectly with Solar
Combine solar energy with smart home technology for maximum efficiency. From automated lighting to intelligent...
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17 October 2025
How to Maximize Solar Panel Efficiency Year-Round
Get the most out of your solar investment all year long. Learn simple maintenance tips, optimal panel...
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14 October 2025
10 Ways to Cut Your Energy Bill Before Going Solar
Thinking about going solar? Start saving today with these simple, cost-effective energy habits. Discover...
Guides
Reference pages, each built from a named source: a circular, a datasheet, a utility’s own instructions or the Global Solar Atlas.
- Net metering in the Philippines, explained What it is, who qualifies, how the application runs and what it changes, every rule dated.
- Solar panel calculator Monthly kWh and roof area in, system size and panel count out, with the formula shown.
- Mono vs poly solar panels, from the datasheets Efficiency, watts per square metre and loss to heat, read from one datasheet of each.
- Solar panels for an aircon, day and night The panels a 1 HP or 1.5 HP unit takes, and the battery a night of cooling needs.
- Solar battery for solar panels, read from the datasheet Usable energy, power, cycle life and warranty, and a battery sized to one evening of named appliances.
- What is solar energy? How a silicon cell turns light into a current, the three kinds of system, and how much sun Pampanga gets.
- Solar energy in the Philippines, the DOE figures Installed capacity, generation and the Luzon share from the DOE Key Energy Statistics 2024, every figure dated.
- The GSIS solar loan (GSEL), from the GSIS page The terms, who qualifies, what gets uploaded, and a dated note on SSS, which has no solar loan published.
- Solar water heater, how it works The collector and circulation types, one certified listing read line by line, and what it asks of a roof.
- What system loss on your bill pays for Lost and stolen power, the cap on what can be charged for it, and what solar changes.
- Solar inverters, and how a hybrid works String, hybrid, off-grid and micro compared, and one hybrid datasheet sized against a real panel.
- Solar panel diagrams, drawn Inside a panel, series and parallel wiring, and grid-tied, hybrid and off-grid systems with every part named.
- Solar charge controllers, PWM and MPPT What the box between panel and battery does, and a sizing example from two datasheets.
- 3kW, 5kW and 10kW systems: what each makes here Monthly kWh for each size at five towns, the panel count and the roof it covers.
- Solar panel size and wattage, from three datasheets Dimensions, weight and watts of three current panels, drawn to one scale, and what one makes a day in five towns.
- How to clean solar panels, from four makers’ manuals Water, tools, timing and safety as LONGi, Jinko, Trina and Canadian Solar write them, where they disagree, and a checklist.
- How to read your electric meter, before and after solar Digital and dial meters, where the readings sit on the bill, and the meter that counts both ways.
- Solar panel lifespan, and the battery and inverter Yearly output loss, battery cycles and warranty terms, read from a field review and two datasheets.
- Sizing a system from your own bill What moves the cost of an installation, and a sizing tool that shows its arithmetic.
- Do you need a permit for solar panels? The three permit routes since the August 2026 circular, and which one is yours.
- Solar panels and your roof GI sheet, standing seam, concrete deck and tile, and what a survey checks underneath.
- Net metering requirements, utility by utility What each utility around Pampanga publishes, and a single line diagram of a net metered roof.
- Net metering or zero export, and how to choose What each does with a sunny-hour surplus, the meter and paperwork each needs, and the three ways people get caught.
- Philippine solar rules, from RA 9513 to the 2026 circulars Every rule that governs a rooftop installation here, dated.
- Solar battery storage, and what happens in a brownout Grid tied, hybrid and off grid, and which of them keeps the lights on.
- Appliance wattage, from named models What a fan, a rice cooker or an air conditioner actually draws, and the panels it takes.
- How a Philippine electric bill is put together The separate charges on a bill, and which of them solar can and cannot reduce.
- Peak sun hours in Central Luzon, by named point Five towns, five figures from the Global Solar Atlas, and the working that sizes an array.
Article images are library photographs or generated images, used to illustrate. None of them is a SolarPampanga installation.
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