CPV: 45000000 Construction work, 09331200 Solar photovoltaic modules, 09332000 Solar installation, 31174000 Power supply transformers, 31213100 Distribution boxes, 31213300 Cable distribution cabinet, 31682540 Substation equipment, 44613110 Silos, 45100000 Site preparation work, 45111000 Demolition, site preparation and clearance work, 45111200 Site preparation and clearance work, 45112710 Landscaping work for green areas, 45231100 General construction work for pipelines, 45231110 Pipelaying construction work, 45231300 Construction work for water and sewage pipelines, 45231400 Construction work for electricity power lines, 45231510 Compressed-air pipeline work for mailing system, 45232000 Ancillary works for pipelines and cables, 45232220 Substation construction work, 45232221 Transformer substation, 45232451 Drainage and surface works, 45232460 Sanitary works, 45233140 Roadworks, 45233222 Paving and asphalting works, 45233252 Surface work for streets, 45234000 Construction work for railways and cable transport systems, 45234116 Track construction works, 45234120 Urban railway works, 45234126 Tramline construction works, 45234128 Tramway platforms construction work, 45310000 Electrical installation work, 45311000 Electrical wiring and fitting work, 45315300 Electricity supply installations, 45315700 Switching station installation work, 45317300 Electrical installation work of electrical distribution apparatus, 45330000 Plumbing and sanitary works, 48150000 Industrial control software package, 71300000 Engineering services, 71320000 Engineering design services, 77211500 Tree-maintenance services, 77314100 Grassing services, 90720000 Environmental protection

CPV: 45317200 Electrical installation work of transformers, 31170000 Transformers, 31174000 Power supply transformers, 51111300 Installation services of transformers

CPV: 31174000 Power supply transformers

CPV: 31174000 Power supply transformers

CPV: 31211110 Control panels, 31214110 Isolating switches, 31121110 Power converters, 31121111 Electric rotary converters, 31527210 Lanterns, 31124100 Turbine generator sets, 19510000 Rubber products, 31211340 Fuse clips, 31214190 Limit switches, 31220000 Electrical circuit components, 31518000 Signalling lights, 31161000 Parts for electrical motors and generators, 31122000 Generator units, 31224400 Connection cables, 31213400 Distribution system, 31158100 Battery chargers, 31130000 Alternators, 16730000 Traction motors, 31211100 Boards for electrical apparatus, 31214200 Switch disconnector, 31111000 Adapters, 31121100 Generating sets with compression-ignition engines, 31214160 Pressure switches, 31440000 Batteries, 31219000 Protection boxes, 31221300 Socket relays, 31510000 Electric filament lamps, 24960000 Various chemical products, 31212300 Magnetic circuit breakers, 31518200 Emergency lighting equipment, 19520000 Plastic products, 14820000 Glass, 31215000 Voltage limiters, 31310000 Mains, 31131100 Actuators, 31214170 Toggle switches, 31321210 Low-voltage cable, 31521310 Warning lights, 31400000 Accumulators, primary cells and primary batteries, 31161300 Generator rotors, 31224300 Connection boxes, 31420000 Primary batteries, 31311000 Mains connections, 31211000 Boards and fuse boxes, 31221000 Electrical relays, 31214300 Outdoor switching installations, 34631000 Parts of locomotives or rolling stock, 31211310 Cut-outs, 31160000 Parts of electric motors, generators and transformers, 31214140 Dimmer switches, 31431000 Lead-acid accumulators, 31430000 Electric accumulators, 31411000 Alkaline batteries, 31221400 Alternating voltage relays, 31434000 Lithium accumulators, 31213300 Cable distribution cabinet, 31212000 Circuit breakers, 31224600 Dimmers, 31124200 Turbine generator control apparatus, 31213200 Distribution transformers, 31121000 Generating sets, 31200000 Electricity distribution and control apparatus, 31422000 Battery packs, 31214150 Drum switches, 31230000 Parts of electricity distribution or control apparatus, 31211300 Fuses, 31214000 Switchgear, 31000000 Electrical machinery, apparatus, equipment and consumables; lighting, 31300000 Insulated wire and cable, 31321300 High-voltage cable, 31211330 Fuse wires, 31213100 Distribution boxes, 31214120 Earthing switch, 31162000 Parts of transformers, inductors and static converters, 31410000 Primary cells, 24910000 Glues, 31122100 Fuel cells, 31221100 Power relays, 31421000 Lead batteries, 31321000 Electricity power lines, 31158300 Turbocharger, 31128000 Turbogenerator, 31172000 Voltage transformers, 31320000 Power distribution cables, 31214400 Fuse switch disconnector, 31174000 Power supply transformers, 31211320 Fuse blocks, 31214130 Safety switches, 31211200 Fuse boxes, 31161100 Excitation systems, 31224500 Terminals, 31120000 Generators, 31214100 Switches, 31162100 Parts of condensers, 31214180 Slide switches, 31321220 Medium-voltage cable, 31221200 General purpose relays, 31170000 Transformers, 31523200 Permanent message signs, 31100000 Electric motors, generators and transformers, 31110000 Electric motors