42 Research, study and testing services in the field of power generation, electric power transmission, electric power distribution and electrical utilization, and providing information relating to aforesaid services; consultancy relating to technological services in the field of power and energy supply; engineering services in the field of power generating plants; engineering services in the field of electricity; architectural services; surveying; designing of machines, apparatus, instruments including their parts and systems composed of such machines, apparatus and instruments; design and consultancy services for power-generating installations, electric transmission installations, and power-distributing installations; design of electric installations, and electric communication facilities; designing of installations, facilities and equipment composed of power generating machines, power generating devices, power generating equipment, and machines, apparatus, instruments for power distribution; design and maintenance of computer software for controlling, monitoring and managing power generation and power transmission and power distribution; design and maintenance of computer software; computer software design, namely, providing computer software programs designed to the specifications of others for controlling, monitoring and managing power generation and power transmission and power distribution; rental of computer systems for controlling, monitoring and managing power generation and power transmission and power distribution; design and maintenance of computer software for transferring, storing, saving, transforming and displaying data and information relating to power generation, power transmission and power distribution; computer software design, namely, providing computer software programs designed to the specifications of others for transferring, storing, saving, transforming and displaying data and information relating to power generation, power transmission and power distribution; rental of computer systems for transferring, storing, saving, transforming and displaying data and information relating to power generation, power transmission and power distribution; design and maintenance of computer software for controlling, monitoring and managing gas distribution and heat distribution; design and maintenance of computer software for transferring, storing, saving, transforming and displaying data and information relating to gas distribution and heat distribution; computer software design, namely, providing computer software programs designed to the specifications of others for controlling, monitoring and managing gas distribution and heat distribution; computer software design, namely, providing computer software programs designed to the specifications of others for transferring, storing, saving, transforming and displaying data and information relating to gas distribution and heat distribution; rental of computer systems for controlling, monitoring and managing gas distribution and heat distribution; rental of computer systems for transferring, storing, saving, transforming and displaying data and information relating to gas distribution and heat distribution; technological consultancy in the field of energy-saving; providing information in the field of energy-saving; design of machines, apparatus, instruments and equipment for energy-saving; testing and research on energy-saving; testing and research on next generation power network; design, development and maintenance of computer systems, and monitoring of operational status and conditions of computer systems at power, gas and heat distribution installations, and facilities having connected line to communication network; monitoring of computer systems, and design, development and maintenance of computer systems; testing and research on reduction of environmental burdens; diagnosing, evaluating and analyzing energy consumption at buildings and plants; remote monitoring of computer systems for management of energy and power usage, and efficiency in the use of power and energy; controlling energy and power usage, and efficiency in the use of power and energy, and providing information therefor; consultancy in the field of energy and power usage, and efficiency in the use of power and energy