01 — Understanding the chargesAno ang nasa loob ng iyong bill

What are you actually paying for? Ano ba talaga ang binabayaran mo?

Your electricity bill isn't just one charge — it's made up of several line items, each going to a different party. Most people only look at the total. But understanding each charge helps you see exactly where solar saves you money.

Ang power bill mo ay hindi lang isang singil — maraming line items yan, at bawat isa ay napupunta sa ibang tao. Karamihan sa atin, tinitingnan lang ang total. Pero pag-aralan natin kung saan talaga napupunta ang pera mo — para malaman mo kung saan makakatipid ang solar.

Generation ChargeGeneration Charge
The cost of the electricity itself — what power plants charge to produce the energy you use. This is typically the largest single item on your bill, making up around 50–60% of the total.
Ito yung actual na halaga ng kuryente — yung sinisingil ng mga power plant para sa energy na ginamit mo. Ito ang pinakamalaking part ng bill mo, mga 50–60% ng total.
Solar reduces thisNababawasan ng solar
Transmission ChargeTransmission Charge
Covers the cost of moving electricity from power plants to your area through high-voltage transmission lines managed by the national grid operator.
Ito ang bayad para sa pagdadala ng kuryente mula sa power plants papunta sa inyong lugar — yung mga malaking high-voltage lines na nakikita mo.
〜 Partially reducedBahagyang nababawasan
Distribution ChargeDistribution Charge
What your local distribution utility charges for maintaining the local power lines that deliver electricity to your home from the transmission network.
Ito ang bayad sa inyong local power distributor — para sa mga linya at poste ng kuryente na nagdadala ng kuryente mula sa grid papunta sa inyong bahay.
〜 Partially reducedBahagyang nababawasan
Systems Loss ChargeSystems Loss Charge
Covers electricity lost during transmission and distribution — heat loss in wires, transformer inefficiencies, etc. You pay a share of these losses proportional to your consumption.
Yung kuryente na nawawala habang dinadala — init sa mga kawad, losses sa transformer, ganyan. Nagbabayad ka ng share ng mga losses na iyon batay sa iyong konsumo.
Solar reduces thisNababawasan ng solar
Supply ChargeSupply Charge
A fixed monthly service fee charged by your distributor for managing your account, billing, and customer service — regardless of how much electricity you use.
Fixed monthly fee ito ng iyong distributor — para sa account management, billing, at customer service. Hindi ito nagbabago kahit mababa ang gamit mo.
✗ Fixed — not reducedFixed — hindi nababawasan
Metering ChargeMetering Charge
A fixed monthly fee for the electric meter installed at your home — covers rental, reading, and maintenance of the metering equipment.
Fixed monthly fee para sa meter mismo — renta, pagbabasa, at maintenance. Hindi rin ito nagbabago kahit walang gamit.
✗ Fixed — not reducedFixed — hindi nababawasan
Universal ChargesUniversal Charges
Government-mandated fees covering missionary electrification (power for remote areas), environmental funds, and stranded debt from government-owned power plants.
Mga government-mandated fees — para sa missionary electrification (kuryente sa malalayong lugar), environmental fund, at utang ng mga lumang power plant ng gobyerno.
〜 Partially reducedBahagyang nababawasan
Taxes (VAT + Local)Buwis (VAT + Local)
12% VAT plus local franchise tax applied to most line items. Since taxes are based on consumption charges, lower consumption from solar means lower taxes too.
12% VAT plus local franchise tax na nakalagay sa halos lahat ng charges. Kaya kapag bumaba ang iyong consumption dahil sa solar, bumababa rin ang binabayarang tax mo.
Solar reduces thisNababawasan ng solar
02 — Solar impactAno ang epekto ng solar

How much can solar actually reduce? Magkano ba talaga ang matitipid mo?

Here's the honest breakdown. Solar directly attacks the largest charges on your bill, but some charges are fixed and won't move no matter what.

Eto na ang totoo. Tinatarget ng solar ang pinakamalaking charges sa bill mo, pero may mga fixed charges na talagang hindi mababago kahit anong gawin mo.

~65%
of your bill is directly reducible by solar
ng bill mo ay direktang nababawasan ng solar
~20%
is partially reduced based on consumption
ay bahagyang nababawasan depende sa gamit
~15%
is fixed — solar cannot reduce this
ay fixed — hindi ito mababawasan kahit may solar

In practice, a well-sized hybrid solar system covering your daytime load can reduce your total electricity bill by 40–70% depending on your consumption profile, system size, and how much you use during solar hours.

The generation charge — the single biggest item — drops the most because you're generating your own power instead of buying it from the grid.

Sa totoo lang, ang isang tamang-laki na hybrid solar system ay kayang bawasan ang iyong bill ng 40–70% — depende sa laki ng sistema, kung gaano karami ang gamit mo sa araw, at kung anong oras ka mainly gumagamit ng kuryente.

Yung generation charge — pinakamalaking item — siya ang pinaka-bumabagsak dahil ikaw na mismo ang gumagawa ng kuryente, hindi ka na bumibili sa grid.

03 — What to rememberMga dapat mong malaman

Important points Mga important na points

Key takeawaysMga key takeaways
Daytime usage matters most. Solar generates power during the day. If your biggest consumption happens during daylight hours (aircon, office equipment, cooking), solar will make the biggest dent in your bill. Ang paggamit sa araw ang pinaka-importante. Gumagawa ng kuryente ang solar habang may araw. Kung karamihan ng gamit mo ay sa umaga hanggang hapon — aircon, computer, cooking — malaki ang epekto ng solar sa bill mo.
Battery extends the savings to nighttime. A hybrid system stores excess solar energy and uses it at night, reducing your nighttime grid consumption as well. Ang battery ay nagpapalawak ng savings sa gabi. Iniimbak ng hybrid system ang sobrang solar energy para gamitin sa gabi — kaya kahit wala nang araw, nababawasan pa rin ang grid consumption mo.
Your kWh rate tells you your savings potential. Divide your total bill by your monthly kWh. The higher your rate per kWh, the faster solar pays back. Yung rate mo per kWh ang nagdidikta ng savings potential mo. I-divide ang total bill mo sa monthly kWh. Habang mas mataas ang rate per kWh, mas mabilis magpa-payback ang solar.
Fixed charges never go away. Supply charge and metering charge are billed regardless of consumption. Even with a perfect solar setup, you'll still pay these every month. Ang fixed charges ay hindi mawawala. Ang supply charge at metering charge ay laging nasa bill mo — kahit zero na ang grid consumption mo. Yan ang katotohanan ng sistema.
System sizing based on your actual load is critical. An undersized system won't make a meaningful dent. An oversized one wastes money. That's why we compute it from your real appliance load. Yung tamang laki ng sistema ay super importante. Masyadong maliit — walang malaking impact. Masyadong malaki — nasayang ang pera. Kaya kinukwenta namin ito base sa actual na gamit mo.
04 — The law behind your billAng batas na nag-shape ng bill mo

Why your bill looks this way — EPIRA Bakit ganyan ang hitsura ng bill mo — EPIRA

Before 2001, the National Power Corporation (NPC) was a government monopoly that controlled generation, transmission, and distribution. You received one bundled rate — no breakdown, no transparency.

In 2001, the government enacted Republic Act 9136, known as the Electric Power Industry Reform Act (EPIRA). It restructured the entire Philippine power industry and changed how you are billed — permanently.

Bago ang 2001, ang NPC (National Power Corporation) ang may hawak ng lahat — generation, transmission, at distribution. Isa lang ang rate, walang breakdown, walang transparency.

Noong 2001, ipinasa ang Republic Act 9136 — ang Electric Power Industry Reform Act (EPIRA). Binago nito ang buong power industry ng Pilipinas at kung paano ka sinisingil — hanggang ngayon.

What EPIRA (RA 9136) did to your billAno ang ginawa ng EPIRA (RA 9136) sa iyong bayad
Section 36 — Unbundling of rates. EPIRA mandated that every charge be listed separately on your bill. Before this, everything was rolled into one number. Unbundling was meant to promote transparency — you can now see exactly who is charging you what. Section 36 — Unbundling ng rates. Inutusan ng EPIRA na ilista nang hiwalay ang bawat singil. Dati, isang numero lang ang nakikita mo. Ngayon, makikita mo na kung sino ang sinisingil ka at magkano — para sa transparency daw.
Generation was deregulated. EPIRA opened electricity generation to private competition through the WESM (Wholesale Electricity Spot Market). In theory, competition should push prices down. In practice, generation remains the largest and most volatile charge on your bill — subject to global fuel prices, plant availability, and market conditions. Ang generation ay na-deregulate. Binuksan ng EPIRA ang generation sa private competition sa pamamagitan ng WESM (Wholesale Electricity Spot Market). Sa teorya, dapat bumaba ang presyo. Sa totoo lang, ang generation charge ay nananatiling pinakamalaki at pinaka-volatile na charge — nakadepende sa global fuel prices at market conditions.
Section 34 — Universal Charges created. EPIRA created the Universal Charges system — mandatory fees collected from all electricity consumers to fund missionary electrification (power for remote areas), environmental protection, and stranded debts of government-owned power assets. Section 34 — Nilikha ang Universal Charges. Ginawa ng EPIRA ang Universal Charges — mandatory fees mula sa lahat ng consumers para pondohan ang kuryente sa malalayong lugar, environmental programs, at mga lumang utang ng government power assets.
Systems loss capped at 8.5%. Before EPIRA, distribution utilities could pass unlimited line losses to consumers. EPIRA capped it at 8.5% for private utilities. Your systems loss charge should not exceed this percentage of your consumption charge. Ang systems loss ay limited sa 8.5%. Dati, walang limitasyon kung magkano ang line losses na maipapasa ng mga distributor sa consumers. Nilimitahan ng EPIRA ito sa 8.5% para sa private utilities. Kaya ang systems loss charge mo ay hindi dapat lumagpas doon.
ERC created to regulate rates. EPIRA created the Energy Regulatory Commission (ERC) to approve and regulate the rates that distribution utilities, transmission companies, and generation companies can charge. Every line item on your bill must be ERC-approved. Nilikha ang ERC para i-regulate ang mga rate. Ginawa ng EPIRA ang Energy Regulatory Commission (ERC) para aprubahan at kontrolin ang lahat ng rates. Bawat linya sa bill mo ay kailangan munang i-approve ng ERC bago sinisingil sa iyo.

Here is what EPIRA did not change: you still pay every layer of the chain. From the power plant to the transmission lines to your local distributor to your meter — every step has a fee, and you bear all of them.

Solar changes the equation. When you generate your own power, you bypass the generation charge — the largest, most expensive, and most volatile item on your bill. You are no longer just a passive consumer paying every party in the chain. You become your own power source.

Ito ang hindi binago ng EPIRA: nagbabayad ka pa rin sa bawat layer ng chain. Power plant, transmission, local distributor, meter — may bayad sa bawat hakbang, at ikaw ang nagtatanggol ng lahat ng iyon.

Solar ang nagbabago ng equation. Kapag gumagawa ka na ng sarili mong kuryente, nila-bypass mo na ang generation charge — yung pinakamalaki, pinaka-mahal, at pinaka-volatile na part ng bill mo. Hindi ka na basta consumer lang na nagbabayad sa lahat. Ikaw na ang sarili mong power source.

Find out how much you can save Alamin kung magkano ang matitipid mo

Use our free calculator to get a system estimate based on your actual load — and see your estimated monthly savings.

Gamitin ang aming libreng calculator para makita kung magkano ang matitipid mo — base sa actual na gamit mo sa bahay.

Calculate my savings → I-calculate ang savings ko →