Sollasweeo
ssleefo · 2026-10-22 · Source naver
Sollasweeo is a rooftop lease business model in which a building owner provides an empty factory or warehouse roof as a site for a solar power plant without any initial investment and receives rental income. It presents Sollasweeo 2.0, a structure in which the owner provides only the roof while the company handles everything from installation costs to 20 years of maintenance.
See the full business overview →
| Source | ssleefo · blog.naver.com/ssleefo |
|---|---|
| Published | 2026-10-22 |
| Original | View original → |
Key information
| Initial investment | 0 won (rooftop lease method) |
|---|---|
| Example of rental income (5-year prepayment) | 300 pyeong 52.5 million won, 500 pyeong 87.5 million won, 1,000 pyeong 175 million won |
| Example of 20-year total return | 9.5 billion won for a large site of about 2,000 pyeong |
| Initial cost of self-installation | 1-2 billion won for 100kW, 6-7 billion won for 500kW |
| Maintenance | No maintenance burden for 20 years; management from installation costs, AI real-time management system Solaoncare operating 24 hours |
| Related policies | Transition to a competitive bidding environment due to reform of the RPS system |
Frequently asked questions
Q. How much is the rooftop lease income from Sollasweeo?
Sollasweeo's rental income on a 5-year prepaid basis is around 52.5 million won for 300 pyeong, 87.5 million won for 500 pyeong, and 175 million won for 1,000 pyeong, and it is stated that large sites of about 2,000 pyeong are calculated at up to 9.5 billion won in total income over 20 years.
Q. Does Sollasweeo require initial costs?
The Sollasweeo rooftop lease method is a structure in which a solar power plant is installed on an empty roof with 0 won investment and rental income is received, and it is explained that the owner only provides the roof with no burden from installation costs to 20 years of maintenance.
Q. How much is the initial cost of self-installing solar power?
In the case of Sollasweeo, according to the original text, self-installing solar power costs around 1-2 billion won for 100kW and 6-7 billion won for 500kW, and loan interest must also be considered, and for 20 years the owner must directly bear efficiency degradation, breakdowns, safety manager appointment, and inverter replacement costs.
Q. How can Sollasweeo rental income be received?
It is stated that Sollasweeo allows choosing between receiving 5 years' worth of rental income as a prepayment in the first year and receiving it annually, and examples of income on a 5-year prepaid basis are presented.
Q. How is management handled after Sollasweeo installation?
It is explained that after installation, Sollasweeo's AI real-time management system Solaoncare manages the power plant 24 hours a day, and the structure leaves everything from installation costs to 20 years of maintenance without burden.