国网TY供电公司经过近20年的企业化经营实践，不断适应市场竞争环境，以提高企业绩效为抓手，努力发挥自身特点和优势，巩固和发展服务范围，在各方面均取得了显著的成绩。然而，随着国家电力管理体制不断改革，电价博弈和供方选择机制逐步开放，区域垄断不断弱化甚至被打破，市场竞争日趋激烈，TY供电公司面临很大压力和挑战。在积极应对政策环境变化的同时，从企业内部管理方面着手，优化绩效考核体系，进一步提质增效已是TY供电公司迫切需要解决的关键问题。

论文在总结相关领域国内外研究现状及绩效管理理论的基础上，界定了绩效，企业绩效，绩效管理和绩效考核的涵义；综合运用理论分析、现场访谈、问卷调查等方法，从绩效考核目标制定与分解、考核指标确定、考核主体、绩效评价和沟通等方面，全面分析了TY供电公司绩效考核的现状、存在问题及原因；提出了TY供电公司绩效考核体系优化设计的原则，区分职能及业务部门和一线员工，从考核主体细化、各类考核指标分解、考核分值确定、考核方法细化、考核结果兑现以及确定工作角色系数、建立标准积分库等方面，提出了TY供电公司绩效考核体系优化设计方案；结合TY供电公司实际，提出了实施该方案的对策，包括：加强宣传教育、树立正确观念，优化考聘组织、明确责任权力义务，加强考评沟通、保证公正透明，提高兑现时效、发挥导向作用，健全制度、保证严肃性，加强组织领导、保证顺利进行。

After nearly 20 years of enterprise management practice, State Grid ty power supply company has constantly adapted to the market competition environment, focused on improving enterprise performance, made great efforts to play its own characteristics and advantages, consolidated and developed the service scope, and made remarkable achievements in all aspects. However, with the continuous reform of national power management system, the gradual opening of electricity price game and supplier selection mechanism, the weakening or even breaking of regional monopoly, the increasingly fierce market competition, ty power supply companies are facing great pressure and challenges. At the same time of actively responding to the changes of policy environment, it is an urgent key problem for ty power supply company to optimize the performance appraisal system and further improve the quality and efficiency from the perspective of internal management.

On the basis of summarizing the current research situation and performance management theory in related fields at home and abroad, this paper defines the meaning of performance, enterprise performance, performance management and performance appraisal, and comprehensively analyzes ty from the aspects of performance appraisal target formulation and analysis, appraisal index determination, appraisal subject, performance appraisal and communication, etc. by using the methods of theoretical analysis, on-site interview and questionnaire survey The current situation, existing problems and reasons of performance appraisal of power supply company; the principle of optimizing the design of performance appraisal system of ty power supply company is put forward, which distinguishes the functions, business departments and front-line employees, from the aspects of the refinement of appraisal subject, the decomposition of various appraisal indexes, the determination of appraisal score, the refinement of appraisal methods, the fulfillment of appraisal results, the determination of work role coefficient, and the establishment of standard score base, This paper puts forward the optimized design scheme of performance appraisal system of ty power supply company, and puts forward the Countermeasures for the implementation of the scheme in combination with the actual situation of ty power supply company, including: strengthening publicity and education, establishing correct concepts, optimizing examination and employment organization, clarifying responsibility, power and obligation, strengthening evaluation communication, ensuring fairness and transparency, improving the effectiveness, playing a guiding role, improving the system, ensuring seriousness and strengthening Organize and lead to ensure smooth progress.