Solar Blog

Solar Ownership Guides for Filipinos

Honest, technical, Philippines-specific content about solar energy, net metering, and making the switch.

Technical Deep-DiveMay 2026·8 min read

The RSD Deadlock — Why Your Hybrid Solar System Can Get Stuck in the Dark

When a hybrid solar battery fully drains, the inverter shuts off — and takes the RSD transmitter with it. Without the transmitter, the solar panels are permanently locked out by their own safety system. Here is the exact failure loop and four ways to prevent or recover from it.

Legal GuideMay 2026·9 min read

Solar PV Permits and Certificates in the Philippines — The Complete Checklist (2026)

Every permit and certificate required to legally install a solar PV system — from the LGU Electrical Permit and CFEI to the Meralco Net Metering Connection Agreement. Includes the 2025–2026 JMC streamlined timelines.

Technology GuideApril 2026·8 min read

Solar Technology in 2026 — What Actually Matters for Filipino Homeowners

N-Type TOPCon, HJT, LFP batteries, AI-powered proposals — solar technology has advanced significantly. Here is what is genuinely worth paying for and what you can safely ignore.

Beginner's GuideApril 2026·10 min read

How a Solar PV System Works — Every Component Explained

Never heard of an inverter? Not sure what a battery actually does? This plain-language guide explains every component of a residential solar PV system — written specifically for Filipino homeowners with zero technical background.

Beginner's GuideApril 2026·7 min read

kW, kWh, and Ah Explained — The Solar Units Every Filipino Should Know

Your installer keeps saying kW, kWh, and Ah — but what do they actually mean? Here is the plain-language guide with real Philippine appliance examples and the formulas you need.

Safety GuideApril 2026·7 min read

AFCI, RSD, and Anti-Islanding — The Safety Features Most Solar Installers Skip in the Philippines

Arc Fault Circuit Interrupters and Rapid Shutdown Devices are required under the Philippine Electrical Code for all rooftop solar installations. Most installers leave them out to cut costs. Here is what they are and what to ask.

Rate AnalysisApril 2026·7 min read

Meralco Rate History and Forecast — How Much Will Electricity Cost in 2030?

Meralco rates have risen 47% in the past decade. Here is why rates keep climbing and what the forecast looks like through 2030 — and why solar makes more sense every year.

Buyer's GuideApril 2026·8 min read

How to Choose a Solar Installer in the Philippines — 10 Questions to Ask

Before you sign anything, ask these 10 questions to any solar installer. The right answers protect you from hidden costs, poor installs, and failed net metering applications.

ComparisonApril 2026·7 min read

Solar vs Generator in the Philippines — Which Makes More Sense?

A generator keeps the lights on during brownouts. Solar reduces your bill every day. Over 10 years, the math strongly favours one of them.

Technical GuideApril 2026·7 min read

What is a Hybrid Inverter and Do You Need One?

The inverter is the brain of your solar system. Here is the plain-language explanation of grid-tied vs hybrid vs off-grid inverters — and which one is right for your home.

Technical GuideApril 2026·8 min read

LFP vs Lithium-Ion vs Lead-Acid Solar Batteries — Philippines Guide

Not all solar batteries are the same. LFP, NMC, and lead-acid have very different lifespans, safety profiles, and true costs over 25 years — especially in the Philippines' tropical climate.

Safety GuideApril 2026·6 min read

What Happens to Your Solar PV System During a Typhoon?

The Philippines averages 20 typhoons per year. Here is how solar panels are engineered to handle them — and what to do before, during, and after a storm.

Legal GuideApril 2026·7 min read

RA 9513 — The Renewable Energy Act: What Solar Homeowners Need to Know

Your legal right to connect solar, how net metering is mandated, and how the ERC protects you from utility non-compliance.

GuideApril 2026·8 min read

Net Metering in the Philippines — The Complete Guide

Everything you need to know about RA 9513, how the buyback rate works, how to apply with Meralco, and how to maximise your savings.

Cost GuideApril 2026·6 min read

How Much Does Solar Cost in the Philippines in 2026?

A complete, honest breakdown of residential solar installation costs — by system size, type, and what is and is not included in the price.

Financial GuideApril 2026·7 min read

Solar Payback Period Philippines — What to Realistically Expect

Real numbers and honest assumptions. What affects your payback period and how to calculate your exact return over 25 years.

Buyers GuideApril 2026·7 min read

Best Solar Panels Available in the Philippines (2026)

Jinko, Trina, LONGi, Canadian Solar — a guide to Tier 1 panels, what specs matter in the Philippine climate, and what to avoid.

Meralco GuideApril 2026·6 min read

How to Read Your Meralco Bill — Every Charge Explained

All 10+ line items on your Meralco bill explained in plain language — including which charges solar actually reduces and which it doesn't.

System GuideApril 2026·8 min read

Grid-Tied vs Hybrid vs Off-Grid Solar — Which is Right for You?

A clear, honest comparison of all three system types — costs, pros, cons, payback, and a simple framework for choosing the right one.

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