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Solar: Huawei, Sungrow and a suitability estimator

Enter your monthly bill and daytime share to estimate system size and suitability before a site survey.

Solar panels on a building roof in Thailand

Is your home or building suited to solar?

A few inputs give a first view of system size and possible savings.

Electrical supply
Daytime30%
Night70%

Choosing a building type sets a starting value. Adjust it to match real use.

Adjust the assumptions

First estimate

Enter the monthly bill and press “Calculate”.

This tool is only a first estimate. It uses average tariff and yield assumptions you can adjust, excludes any income from selling power back, and is not a guarantee. Actual results depend on roof direction, shading and real load.

Match the system type to how you use power

On-grid

Uses solar by day alongside the grid. Suits high daytime use: factories, offices, shops.

Hybrid + battery

Stores surplus for the evening or outages. Suits homes that use power in the evening, or buildings needing partial backup.

Solar with UPS

Critical loads such as network and cameras sit behind a UPS for continuity, while solar trims the overall bill.

Inverter and battery brands

Two brands compared on the same project, so you can choose by budget, space and backup needs.

Huawei FusionSolar

Primary brand

Inverters and LUNA2000 batteries with the FusionSolar app for tracking generation and usage.

  • Homes & small shops (single-phase)SUN2000-L1, about 2–6 kW, supports LUNA2000 batteries when backup power is wanted.
  • Large homes, offices, shops (three-phase)SUN2000 M-series, about 3–20 kW depending on model.
  • Commercial buildings & factoriesC&I string inverters such as 50 kW class and above, plus commercial energy storage per project.

Sungrow

Recommended alternative

A Chinese maker with a tier-one distributor in Thailand, offering home inverters with batteries and commercial models.

  • Homes with batteriesResidential hybrid inverters and stackable batteries that grow in capacity.
  • Commercial buildings & factoriesMid to large commercial string inverters, compared against the Huawei proposal per project.

Brand names and trademarks belong to their owners. This list does not claim distributor status. Sourcing channel, warranty terms and price are stated in each project proposal.

From estimate to monitoring

Grid connection must follow the utility's requirements and the relevant building rules.

  1. 01Collect electricity bills
  2. 02Survey roof and electrics
  3. 03Design the system size
  4. 04Apply for grid connection
  5. 05Install and test
  6. 06Track results in the app
Want the design approach?See the solar solution and FAQ
Continue →

Have 3–12 months of electricity bills ready

Along with photos of the roof and meter, so the estimate is sharper before a survey.

Request a site survey