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Energy and water supply

Here are the contracts awarded in this sector, according to simap.ch. 27 of the 32 companies won exactly one contract in this sector.

CPV
65
37Contracts awarded
32Companies
CHF 156m (CHF 155,980,466.68)Total awarded (CHF)excluding the contract awarded to several companiesexcluding 2 probable unit rates

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Contracts awarded each month in this sector

Since Jan 2025, an average of 1.7 a month. The busiest complete month was Oct 2026 (9).

Table
Contracts awarded each month in this sector
January 20252 contracts
February 20251 contract
March 20250 contracts
April 20251 contract
May 20252 contracts
June 20250 contracts
July 20252 contracts
August 20255 contracts
September 20250 contracts
October 20250 contracts
November 20253 contracts
December 20250 contracts
January 20261 contract
February 20261 contract
March 20261 contract
April 20262 contracts
May 20261 contract
June 20262 contracts
July 20260 contracts
August 20263 contracts
September 20261 contract
October 20269 contracts

Source: simap.ch, our analysis · Chart data (CSV)

Companies

the 20 that won the most contracts, of 32
Companies – by number of contracts
CompanyContractsTotal (CHF million)
Fäh Maschinen- und Anlagenbau AG312.7 (CHF 12,743,384.74)
Elektrizitätswerk der Stadt Zürich210.5 (CHF 10,542,771.99)
Solutec automation AG21.2 (CHF 1,234,804.68)
Primeo Energie Schweiz AG20.6 (CHF 622,656)
IWB Industrielle Werke Basel2– no attributable amount
Romande Energie SA131.6 (CHF 31,616,774.42)
BKW Energie AG126.2 (CHF 26,212,670.48)
Stadtwerk Winterthur125.8 (CHF 25,764,386.70)
Azienda elettrica ticinese117.7 (CHF 17,724,570.97)
Daimler Buses Schweiz AG17.3 (CHF 7,303,221.95)
Semax AG13.4 (CHF 3,392,841.50)
Siemens Schweiz AG13.0 (CHF 2,990,589)
Global Hydro Energy GmbH12.7 (CHF 2,686,285)
ERAG Netzbau AG12.6 (CHF 2,609,132.30)
Eniwa AG11.6 (CHF 1,647,785.76)
cabletron AG11.4 (CHF 1,360,604.15)
Supercomputing Systems AG11.3 (CHF 1,302,064.50)
RELE GmbH11.2 (CHF 1,152,921.09)
Burkhalter Technics AG11.1 (CHF 1,137,473.46)
Arnold AG11.0 (CHF 972,474.09)

Public buyers

the 20 that awarded the most contracts, of 26
Public buyers – by number of contracts
Public buyerContractsTotal (CHF million)
Swissgrid AG476.5 (CHF 76,526,489.96)
Alpiq Hydro Aare AG415.4 (CHF 15,429,669.74)
Stadt Zürich Wasserversorgung33.3 (CHF 3,341,521.01)
Elektrizitätswerk der Stadt Zürich (ewz)22.6 (CHF 2,609,132.30)
Swissgrid AG - Asset & Maintenance21.2 (CHF 1,234,804.68)
Elektrizitätswerke des Kantons Zürich20.6 (CHF 622,656)
Universität Zürich Assetmanagement125.8 (CHF 25,764,386.70)
Universitätsspital Zürich17.8 (CHF 7,827,516.19)
Sihltal Zürich Uetliberg Bahn SZU AG17.3 (CHF 7,303,221.95)
SWL Energie AG + IBW Energie AG (Sollberger Ingenieure GmbH13.4 (CHF 3,392,841.50)
Axpo Grid AG13.0 (CHF 2,990,589)
Cumegn da Surses | Gemeinde Surses12.7 (CHF 2,715,255.80)
Einwohnergemeinde Muhen11.6 (CHF 1,647,785.76)
Transports Publics Neuchâtelois SA11.3 (CHF 1,302,064.50)
Energie Wasser Bern11.2 (CHF 1,152,921.09)
Schweizerische Bundesbahnen SBB, Konzerneinkauf Verbrauchsgüter10.8 (CHF 815,317.25)
Gruppenwasserversorgung Furttal (GWF)10.6 (CHF 648,016.25)
IWB Industrielle Werke Basel10.6 (CHF 603,576.35)
Departement Tiefbau und Werke10.1 (CHF 52,700.65)
Busbetrieb Olten Gösgen Gäu AG1– no attributable amount

Contracts awarded by canton

  1. Zurich1438%
  2. Aargau1130%
  3. Solothurn513%
  4. Bern25%
  5. Lucerne25%
  6. Basel-Stadt13%
  7. Graubünden13%
  8. Neuchâtel13%

Source: simap.ch, our analysis · Chart data (CSV)

Categories in this sector (exact CPV code)

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