The database of public procurement
Company
TAC-Solar GmbH
TAC-Solar GmbH from Düsseldorf has been awarded 7 public contracts by 6 contracting authorities since 2024 (as of 16 Oct 2026).
As of: · Source: official notices (Datenservice Öffentlicher Einkauf, CC0), EU Official Journal (TED) and procurement portals · How we count
Awards per year
2024: €95,933 · 2025: €448,857. The current year is incomplete.
Timeline, 36 months
One dot per award in the month of the notice, sized by value, red when there was only one bid. Click a dot to open the notice.
The network around TAC-Solar
Contracting authorities
Next door on the site
Contracting authorities and neighbours from the award notices, planners from the office register, brands from the bills of quantities of the tender before the award. Figures are lots.
Competitors
With count, location and latest award, each with a profile. See everything with Pro
Who wins with the 6 most frequent contracting authorities of this company in Electrical installations.
References: recently won
| Date | Lot | Contracting authority | Value | Bids |
|---|---|---|---|---|
| 21 Apr 2026 | Installation von Photovoltaikanlagen ggf. mit Photovoltaik-gekoppeltem Batteriespeichersystem für diverse von der BIM …Electrical installations · Source (Procurement portal) | Land Berlin (Sondervermögen Immobilien des Landes Berlin) | ||
| 14 Jul 2025 | BÜ_35 (PV-Anlage)Electrical installations · Notice | Amt Büsum-WesselburenSchleswig-Holstein | €149,372 | |
| 14 Jul 2025 | WSB_35 (PV-Anlage)Electrical installations · Notice | Amt Büsum-WesselburenSchleswig-Holstein | €80,715 | |
| 14 Jul 2025 | 34_VE35 (PV-Anlage)Electrical installations · Notice | Schulverband WesselburenSchleswig-Holstein | €163,637 | |
| 14 Apr 2025 | Neubau FWH Notzingen - Los 06 - PV-AnlageElectrical installations · Notice | Gemeinde NotzingenBaden-Württemberg | €55,134 | 17 |
| 3 Apr 2025 | Los 416 PV-AnlageElectrical installations · Notice | Landratsamt Landkreis LeipzigSaxony | 13 | |
| 28 Oct 2024 | Neubau Grundschule am Sportzentrum Haselünne: PhotovoltaikanlageElectrical installations · Notice | Stadt HaselünneLower Saxony | €95,933 | 10 |
The 7 most recent of 7. All with Pro.
Bids without award
1 procurement with a bidder list in which this company bid and did not win.
| Date | Procurement | Rank | Own bid | Awarded to |
|---|---|---|---|---|
| 28 Apr 2026 | Ersatzneubau Jahn-Turnhalle Los 33 PV-Anlage + SpeicherungStadt Großröhrsdorf · Source (Council paper) | 7 of 8 | €147,935+60.3% | Lohschmidt Solar & Energie GmbH€92,265 |
From the bidder lists of procurement portals and council papers (since 23 Sep 2026), matched by company key. The date is the award, otherwise the publication. Rank according to the evaluation; where the list has none (cancellations, papers without evaluation), by price. The gap is measured against the winning bid from the same list; if the list only states the contract sum, no gap is shown.
EU-wide awards 2006 to 2023
No EU-wide award under this name between 2006 and 2023.
Questions and answers
How many public contracts has TAC-Solar GmbH won?
TAC-Solar GmbH has received 7 contract awards from public tenders since 2024, most recently on 21 Apr 2026. The notices state a combined value of €544,791 (5 of 7 awards state a value). When the company won, there were 13.3 bids on average.
Which contracting authorities does TAC-Solar GmbH work for most often?
Most awards came from Amt Büsum-Wesselburen (2), Schulverband Wesselburen (1) and Stadt Haselünne (1). In total there are 6 contracting authorities.
In which trades does TAC-Solar GmbH win public contracts?
Most awards fall under the trade “Electrical installations” (7). The trade is assigned from the CPV code and the title of the lot.
In which German states is TAC-Solar GmbH active?
By region of the contract, most awards came from Schleswig-Holstein (3), Baden-Württemberg (1) and Lower Saxony (1).