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Solar battery backup for power outages

If the power goes out at your home or business, a standard solar system won't keep you running. For that you need a battery or a hybrid system. Here's how it works and what's worth backing up.

Does a standard solar system work during a power outage?

No. A grid-tied solar system shuts off automatically when the grid goes down, for safety, to protect the crews working on the lines. It comes back on when the power returns.

What is a hybrid inverter?

It's an inverter that works with panels, grid and battery at the same time. During the day, solar power runs your home and charges the battery; any surplus goes to the grid. When the power goes out, the battery keeps the circuits you chose running.

Which circuits should you back up?

Most people back up the essentials: fridge, lights, Wi-Fi and the water pump. Backing up air conditioning or the whole house needs a much larger battery. We work it out with you based on what you want to keep on.

How much does a battery cost?

It depends on the capacity, the circuits you want to back up and for how many hours. We quote after reviewing your consumption and your bills. Pricing after assessment.

Battery or generator?

A generator needs fuel and makes noise; a battery charges from your panels and is silent. We compare both options in this guide. guide (in Spanish)

Outages in Azuero after the 9 October earthquake

After the 9 October 2026 earthquake, Naturgy reported supply disruptions in sectors of Azuero, Veraguas and Puerto Armuelles (Chiriquí). If outages affect your home or business, a battery lets you keep the essentials running.

Source: https://economiapanama.com/naturgy-reporta-afectaciones-en-el-suministro-electrico-en-azuero-veraguas-y-chiriqui-tras-el-sismo/

Do batteries work with net metering?

Yes. In a hybrid system the battery charges first, then the surplus goes to the grid. Unused surplus is settled at the distributor's average purchase cost, limited to 25% of your consumption history. It is not paid at the rate you pay per kWh. We handle the net-metering paperwork for you.

Source: https://www.asep.gob.pa/wp-content/uploads/electricidad/reglamentaciones/normas_tecnicas/proc_autoconsumo_2022.pdf

Do I need to apply for net metering before 31 December?

The current cap for new net-metering connections applies until 31 December 2026, or until the new procedure is approved if that happens first. If you're planning a system, talk to us about timing. What this means for your application.

Source: https://asep.gob.pa/an-no-21235-elec-de-2025-12-30/

Questions about battery backup

Can I add a battery to a solar system I already have?

Often yes, depending on your inverter. We check your equipment and tell you what the options are.

Can a battery back up air conditioning?

It can, but it needs more capacity. We size it to the equipment and hours you want to cover.

Do you work with businesses, lodges and restaurants?

Yes. We design backup for homes and businesses in Herrera, Los Santos, Panama City and Panamá Oeste, in English and Spanish.

Tell us what you want to keep running when the power goes out. We'll review your bills and propose a system.

WhatsApp: +507 6583-1822