First of all, the expansion of hydropower developments could directly improve the reliability of power transmission and distribution system. Public health, education and infrastructure (e.g., road, water supply, rural electrification, transportation, and communications) are also expected to see positive change, with the local economy located in that area being equipped with necessary facilities for the development of industrial estates or manufacturing-based plants.
Furthermore, the government of Laos could gain taxes and royalty fees from the power plant as well as export revenue can be utilized as a subsidy
Hydropower import from Laos to Thailand would provide greater diversification of energy sources for Thailand. That certainly could assist Thailand in reducing its dependency on coal.
Thailand would have greater diversification of energy source, whereas Laos would face the lower diversification as the country exploits further its vast hydropower potential.