Rooftop solar emerges as standard feature in Thailand as installation costs fall


(Photo: iStock)

Thai listed real estate developer Supalai has collaborated with Chinese tech giant Huawei to install rooftop solar panels for standalone houses, aiming to increase to 15,000 houses by 2028 to meet the growing demand.

Tritecha Tangmatitham, the managing director of Supalai, said that, ten years ago, homebuyers showed no interest in rooftop solar, and five years ago, they felt the costs were unreasonable. However, it is progressively becoming a standard feature now.

As electricity prices keep going up in Thailand and the higher energy consumption of standalone houses, rooftop solar is more popular after the installation costs decrease.

According to Tangmatitham's observations, the installation costs of rooftop solar are decreasing at a rate of 10% annually, currently reaching 150,000 THB (about 4,130 USD) per 3 kW.

Supalai has already installed rooftop solar for 2,000 standalone houses in 2023, using Huawei's Tier 1 solar panel equipment and inverters, and installed by Ion Energy Corporation.

If all rooftop solar panels are successfully installed, the expected total power generation will be 82,300 MW, reducing 49,300 tons of carbon dioxide emissions, equivalent to planting 3.2 million trees.

Logan Yu, president of Huawei's Digital Power Business in Thailand, stated that rooftop solar in Thailand has increased by 145%, surpassing the global average growth rate, mainly due to cost reduction and technological advancements, making power generation more efficient and stable.

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