Purchase and Installation of a Photovoltaic System with a Capacity of 49.815 kWp.
Contract Value:
-
Notice Type:
Contract Notice
Published Date:
12 October 2026
Closing Date:
16 October 2026
Location(s):
PL71 Łódzkie (PL Poland/POLSKA)
Description:
The project involves the purchase and installation of a photovoltaic system with a capacity of 49.815 kWp on the roof of a building, with an extended deadline for offers due to a lack of submissions.
CHANGE TO ANNOUNCEMENT No. 2026-94814-284884 (version published on 2026-10-12). Deadline for submitting offers: 2026-10-12 23:59 -> 2026-10-16 23:59. The current content of the announcement is below; the original announcement — see the link.
Purchase and installation of a photovoltaic system with a capacity of 49.815 kWp. WARNING! Due to the lack of offers and questions, the deadline for submitting offers is extended to 16.10.2026. Please do not rely on the offer submission date indicated in the attachment "Request for Proposal" (no possibility to edit the attachment at this stage).
Scope of the order: Purchase of a photovoltaic system with a total power not exceeding 50 kWp and its installation on the roof of the “Tool Shop” building, the photo of which is included in attachment no. 1 to the Request for Proposal, and connection to the existing installation. The installed power of the new PV installation should be 49.815 kWp.
The planned installation will be connected to the same energy intake point where the current installation operates. The power of the existing installation is 49.815 kWp. Inverters of the existing installation are SolarEdge - SE50K. Photovoltaic panels of the existing installation: TW Solar 405W Full Black. The connection power of the plant is 2500 kW, the current ordered power is 1200 kW. The current installation was connected to the grid as a micro-installation on simplified connection conditions (prosumers). Lamela Sp. z o.o. has a two-way meter. The indication of existing devices is informational and results from the need to ensure compatibility of the new installation with the existing installation of the Contracting Authority.
The planned installation should have the following technical parameters: The installation must meet all the requirements resulting from the network connection conditions and the NcRFG network code. Parameters of photovoltaic panels: - monocrystalline technology, half-cut with at least 22% efficiency - temperature coefficient of power Pmax -0.30%/°C or better (range from 0 to -0.30) - compliance certificates 61215, 61730 - required optimization in a 1:2 layout Parameters of inverters: - inverters consistent with those installed by the Contracting Authority with power appropriate to the size of the PV installation - European efficiency not less than 98.0% - AFCI function - protection degree IP – 65 Parameters of mounting structures on the roof: - photovoltaic modules fixed on the roof structure, - photovoltaic modules fixed on a mounting system dedicated for the subject roof covering, - photovoltaic modules to be installed according to the location designated on the map on the designated roof (attachment no. 1 to the Request for Proposal). The monitoring system should have the following features: - continuous monitoring of inverter operating parameters, - support for protocols responsible for sending notifications (e-mail, SMS) about malfunctions at the inverter level, - reporting errors occurring in the installation and supporting visual notification forms for staff about detected operational irregularities of the installation, - ability to archive data and access it online, - real-time display of inverter momentary power and status display of monitored inverters and devices, - automatic analysis capability of operating parameters of individual module strings for correct operation, - ability to integrate monitoring with the existing system at the facility, - ability to integrate various devices with open communication protocols – e.g., controlling transformer stations, electronic security systems, etc., - visualization of energy flow, viewing and analyzing data from the utility meter, visualization of solar irradiation on the photovoltaic farm. The offer should also include the execution of the following contract elements: - delivery and installation of inverters, - delivery and installation of PV panel sets, - delivery and installation of connectors, - delivery and installation of PV panel optimizers, - obtaining connection conditions under the “zero export” variant, - preparation and submission of the necessary documents to the energy utility, - preparation of the photovoltaic installation design including connection to the existing 49.815 kWp installation, - installation of the meter and equipment required by the Distribution System Operator (DSO) PGE Distribution Łódź (meter and device will be provided by the Contracting Authority), - delivery and installation of lightning protection system, - delivery and installation of cabling (solar cable, grounding cable, connection cable), - delivery and installation of grounding, - delivery and installation of DC and AC protection, - delivery and installation of fire switch.
The Contracting Authority requires joining the offer with: - additional detailed specifications of proposed devices: photovoltaic panels, inverters, blocking device, roof mounting system, - planned installation work schedule considering the required execution date, - maps presenting visualization of the entire system. The tenderer should also consider insurer requirements specified in attachment no. 2 “Insurer Requirements of the Contracting Authority's Property.” The supplier is obliged to attach a completed attachment no. 7 "Contractor's Declaration Form regarding the technical specification of the order" to the offer. The Contracting Authority reserves the right to reject the offer if the completed Attachment no. 7 contains even one negative answer "NO" or if there is no compliance with the requirements relating to individual parameters.
Green public procurement criteria: The contractor is obliged to declare an annual electricity production not less than 49.317 MWh/year.
Requirements Offered devices and components comprising the complete photovoltaic installation must be factory new. In addition, the Contractor is obliged within the offered remuneration to: a. deliver the subject of the order to the Contracting Authority’s headquarters at ul. Poznańska 4, 99-400 Łowicz, b. conduct 2-day training for at least 4 Contracting Authority employees on the operation of the installation, its devices, and software, c. provide technical-operational documentation (DTR), control software, a declaration of conformity confirming CE safety class (all documents in Polish), d. prepare the photovoltaic installation design including connection to the existing 49.815 kWp photovoltaic installation, e. consider insurer requirements specified in attachment no. 2 to the Request for Proposal "Insurer Requirements of the Contracting Authority's Property", f. obtain connection conditions for the installation connection under the zero export variant, g. submit the project for approval to DSO PGE Distribution Łódź, h. prepare the design and execution schedule, i. build and integrate the new installation with the existing PV installation of 49.815 kWp, j. conduct electrical measurements, k. test and commission the installation, l. obtain a positive opinion from the State Fire Service, m. prepare and submit an application for use permit, n. obtain the use permit decision, o. ensure technical acceptance by the DSO, p. hand over as-built documentation and operating instructions, q. provide at least one technical inspection within 1 year from the date of signing the final installation acceptance protocol, performed by the contractor’s service.
Warranty period The minimal warranty period required by the Contracting Authority is: - photovoltaic modules (min. 12 years) with guaranteed nominal efficiency within the first 10 calendar years (non-leap years) not less than 90.7% and within 25 years not less than 80.2%, - support structure including anti-corrosion protection, if applicable (min. 10 years), - solar inverters (min. 10 years), - installation works (min. 5 years), - photovoltaic installation (min. 5 years), - assembly works (min. 5 years). Warranty periods for all the above elements start from the date of signing the final acceptance protocol of the installation. The Contracting Authority requires that within 5 years from the date of signing the final acceptance protocol, the Contractor provides warranty service for the entire order with a response time up to 48 hours. Response time is counted from the moment the Contracting Authority reports a failure to the moment the Contractor diagnoses the problem and provides recommendations. The Contractor's warranty shall cover: a) warranty on the purchased installation involving free repair or replacement of the installation or its parts in case of defect, fault or damage, b) warranty on installation and assembly works including proper fastening of the structure and roof sealing, c) roof damage caused during assembly or due to faulty installation, d) free warranty inspections during the warranty period, e) defect or fault removal time not longer than 20 working days.
Preparation and submission of offers The offer should be prepared on the offer form (attached as attachment no. 3 to the Request for Proposal) and: a) contain data enabling identification and contact via e-mail, b) be signed by the bidder, c) include the offer validity period of no less than 60 days, d) include the required attachments. Submission of offers in PLN or EUR currencies is allowed, with the EUR offer amount converted to PLN at the NBP average exchange rate on the announcement publication date. The offer should be submitted in one of the following forms: a) scan of signed document, b) signed with trusted profile, c) signed with qualified electronic signature, d) signed with personal signature (e-ID). The offer should be submitted via the Competitive Database – available at https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl. Communication in the procurement procedure, including submitting offers, exchanging information between the Contracting Authority and the Contractor, and delivering documents and statements is conducted in writing through the Competitive Database website: https://bazakonkurencyjnosci.funduszeeuropejskie.gov.pl. E-mail is not for questions; questions should be directed through the “Questions” section on the announcement page in the Competitive Database. More information is contained in the attachment "Request for Proposal." Category: Delivery / Other deliveries CPV: 09331200-0 Solar photovoltaic modules, 09332000-5 Solar installations, 31700000-3 Electronic, electromechanical and electrical equipment, 45223100-7 Installation of metal structures, 45261215-4 Roof covering with solar cell panels, 45300000-0 Installation works in buildings, 45310000-3 Electrical installation works, 45311000-0 Wiring and electrical installation works, 45311100-1 Electrical wiring works, 45315100-9 Electrotechnical installation works, 45315300-1 Electrical power installations, 45315600-4 Low voltage installations, 45317300-5 Electrical distribution equipment, 51112000-0 Electrical control and distribution equipment installation services, 71314100-3 Electrical services Place of execution: Łowicz, Łowicz county, Łódź Voivodeship Warranty period: Minimum warranty period will vary depending on the item, as described in the description of the subject of the contract Offer evaluation criteria: - Price criterion will be evaluated according to the formula: Points = lowest net price among submitted offers / net price of the evaluated offer * 100 points. Detailed description of the criterion is included in attachment "Request for Proposal."
Conditions of participation: - Additional participation conditions: No personal or capital ties with the Contracting Authority The Contracting Authority informs that in the procurement procedure, a conflict of interest prohibition applies. A conflict of interest is any situation where persons involved in preparing or conducting the procedure, or who may influence its outcome, have a direct or indirect financial, economic or other personal interest that may threaten their impartiality and independence in connection with the procedure. Therefore, and to ensure transparency and equal treatment of tenderers, entities with personal or capital ties with the Contracting Authority are excluded from participation. Personal and capital ties mean mutual ties between the Contracting Authority or persons authorized to incur obligations on its behalf or persons performing activities related to the preparation and conduct of the Contractor selection procedure on behalf of the Contracting Authority and the Contractor, consisting in particular of: a) participation in a company as a partner in a civil company or partnership, holding at least 10% shares or stocks (unless a lower threshold results from law), holding functions of supervisory or management bodies, proxy, attorney, b) being married, in a kinship or affinity relationship in a direct line, kinship or affinity up to the second degree in a collateral line, or related by adoption, custody or guardianship or living in common with the Contractor, its legal representative or members of the governing or supervisory bodies of Contractors applying for the contract, c) having such a legal or factual relationship with the Contractor that raises justified doubts about their impartiality or independence in connection with the procurement procedure. Fulfillment of the above conditions of participation will be assessed based on a submitted statement (attachment no. 4 to the Request for Proposal).
Exclusions Furthermore, the Contractor will be excluded from participation in the procedure if: a) listed in the registers specified in regulations 765/2006 and 269/2014 or entered on the list based on a decision concerning the application of a measure referred to in Article... 1 point 3 of the Act of April 13, 2022, on special solutions regarding counteracting support for aggression against Ukraine and serving the protection of national security (consolidated text, Journal of Laws of 2025, item 514, as amended); b) whose beneficial owner within the meaning of the Act of March 1, 2018, on counteracting money laundering and terrorist financing (Journal of Laws of 2023, item 1124, consolidated text, as amended) is a person listed in the registers specified in Regulation 765/2006 and Regulation 269/2014 or entered on the list or such a beneficial owner from February 24, 2022, provided they were entered on the list based on a decision regarding the entry on the list determining the application of the measure referred to in art. 1 point 3 of the Act of April 13, 2022, on special solutions to counter support for aggression against Ukraine and to protect national security (consolidated text, Journal of Laws of 2025, item 514, as amended); c) whose dominant entity within the meaning of art. 3 sec. 1 point 37 of the Act of September 29, 1994, on accounting (Journal of Laws of 2023, item 120, consolidated text, as amended) is an entity listed in the registers specified in Regulation 765/2006 and Regulation 269/2014 or entered on the list or such a dominant entity from February 24, 2022, provided it was entered on the list based on a decision regarding the list entry determining the application of the measure referred to in art. 1 point 3 of the Act of April 13, 2022, on special solutions to counter support for aggression against Ukraine and to protect national security (consolidated text, Journal of Laws of 2025, item 514, as amended). The assessment of the lack of exclusion of the Contractor for the above reasons shall be made based on the submitted statement (constituting Annex No. 8 to this inquiry).
Other inquiry conditions - Order completion time: no later than 11 months from the date of contract signing. Including: a. Time to obtain connection conditions – max. 8 months, b. Installation of the system along with inspections and connection to the grid – max. 3 months. - The contracting authority does not allow partial offers. - The contracting authority does not allow variant offers. - The bidder is obliged to sign the contract if their offer is selected as a result of the selection procedure. - Payment terms will be established at the stage of signing the contract with the selected bidder. - The contracting authority will sign a contract with the bidder who submits the most advantageous offer (taking into account the Offer Selection Criteria). - The contracting authority reserves the right to cancel the procurement procedure at any stage until signing the contract for the order implementation. In such a case, bidders have no claims against the contracting authority in relation to the use of any of the above rights. In this respect, bidders waive any potential claims. - Submission of an offer means that the bidder understands and accepts the above conditions. - The contracting authority reserves the right not to select any offer. - Additional information can be obtained by sending questions via the "Questions" section in the Competitiveness Database. The contracting authority will provide answers to questions asked no later than 3 days before the offer submission deadline. Questions submitted later will be answered within the contracting authority’s organizational capacity, considering the relevance of the question. - The contracting authority reserves the right not to answer questions sent later than 3 days before the offer submission deadline. - Knowledge and experience: Bidders eligible to participate and be awarded the contract must meet within the last three years (or shorter operation period, if applicable) cumulatively the following requirements: - Completion of at least three photovoltaic installations with a minimum capacity of 50 kWp each, confirmed by references or final acceptance protocols. The contractor is obliged to present a list of completed contracts corresponding to the subject of the order, performed during the last 3 years before the offer submission deadline (or shorter activity period) including their value, subject, completion dates and entities for which the contracts were performed, and attach evidence confirming proper execution (e.g., references or final acceptance protocols). All listed contracts must be properly executed and documented by acceptance protocols or equivalent documents confirming proper service performance. - Obtaining at least three connection conditions to the power grid for PV installations with a minimum of 50 kWp each, confirmed by a statement. - Preparation of at least two electrical design projects of photovoltaic installations with a power of at least 50 kWp, confirmed by a statement. The assessment of fulfilling the above participation conditions will be made based on the submitted statement (Annex No. 5 to the Inquiry) with the required attachments. - Persons capable of executing the order: Bidders qualified to participate and be awarded the contract must have personnel capable of performing this order. The contracting authority will recognize the condition as met if the contractor proves that it has at least: 1. One person with SEP electrical qualifications above 1 kV, type D (supervision) and E (operation). 2. One electrical designer – holding construction qualifications in the installation specialization regarding electrical and power engineering networks, installations, and devices, in accordance with applicable regulations (building law and implementing acts). 3. One foreman of assembly-installation works in the electrical field with the necessary qualifications to supervise construction and installation works in the electrical installation and power engineering specialization without restrictions. The bidder must demonstrate that the functions referred to in points 2 and 3 are performed by two separate persons. Meeting the above condition must be demonstrated by a statement containing a list of required persons, including a description of their qualifications and education. The assessment of fulfillment of these participation conditions will be based on the submitted statement (Annex No. 6 to the Inquiry). - List of required documents/declarations: The offer should include: 1. Declaration of no personal or capital ties (Annex No. 4 to the Inquiry). 2. Declaration of possessed experience (Annex No. 5 to the Inquiry). 3. Declaration of possessed resources (Annex No. 6 to the Inquiry). 4. Contractor’s declaration form regarding the technical specification of the order (Annex No. 7 to the Inquiry). 5. Sanctions statement (Annex No. 8 to the Inquiry). 6. Additional detailed specification of proposed equipment: photovoltaic panels, inverters, blocking device, roof mounting system. 7. Planned schedule of installation works considering the required completion deadline. 8. Maps showing visualization of the entire system.