The study factors influencing the happiness to work of provincial electricity’s employee authority Area3 (central region).It was found. Most of the respondents were female accounted for 61.0 percent, aged more than 50 years accounted for 36.0 percent, graduating bachelor degree / equivalent accounted for 52.5 percent, marry accounted for 70.5 percent and revenue of 15,001-25,000 Baht accounted for 36.5 percent. The study found that Employees Electricity Authority Area 3 (Central region) opinion about happiness at work as a whole at a high level.