EST Energysp. z o.o. + limited partnership
Wholesale of other machinery and equipment
Overview
EST Energy supplies technical infrastructure for the guaranteed power and cooling of critical loads, including transformer stations, generators, and AC and DC power systems. The company provides servicing, maintenance, repairs, and upgrades for this infrastructure. In Czernikowo, it commissioned a battery energy storage facility with 1 MW of power and 2 MWh of capacity, designed to work with the distribution grid to help stabilize it.
Financials
Revenue history (in k)
Filing timeliness
1 of 6 financial statements was filed late (for 2022, 23 days late).
- 202612/10/2026
- 202503/10/2025
- 202414/10/2024
- 202328/09/2023
- 202207/11/2022
- 202127/09/2021
Data and insights are generated automatically from financial statements – they may contain errors and are neither a credit assessment nor business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2026.
Results vs industry
Industry
Public procurement
16 tenders recorded as contractor: 14 national ($1,001,944) and 2 EU ($419,902).
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Nov 27, 2025 | Supply of IT equipment, printing devices and uninterruptible power supplies | $2,731$2,731 | Komenda Wojewódzka Policji w Białymstoku | |
| Jan 16, 2025 | Maintenance of UPS power supplies | $8,031$8,031 | Sąd Rejonowy w Białymstoku | |
| Oct 1, 2024 | Servicing of power supply systems using central UPS units supplying the guaranteed-voltage network | $417.2K$417,171 | Kancelaria Sejmu |
EST Energy is the contractor in 5 public sector contracts, worth USD 47.40k in total. They were signed with 4 public buyers.
| Signed on | Subject | Amount | Public buyer | |
|---|---|---|---|---|
| Sep 15, 2026 | Supply and replacement of battery modules in the UPS | $18,506 | Centrum Informatycznych Usług Wspólnych Olsztyna | |
| Sep 2, 2026 | Selection, supply and installation of an SVG75 kVar reactive power compensator at the transformer substation of Instytut Akustyki | $6,744 | Uniwersytet Im. Adama Mickiewicza w Poznaniu | |
| Sep 1, 2026 | The subject of the contract is: inspection of the SG S1 160 kVA UPS unit, measurement of the battery set capacity using a discharge resistor, and replacement of the complete set of capacitors in the unit. | $5,669 | Prokuratura Okręgowa w Białymstoku |
EST Energy has been a party to 1 case before the National Appeal Chamber (since 2019). In 1 case it joined the proceedings as a participant.
| Date | Subject of dispute | Outcome | Other party | |
|---|---|---|---|---|
| Sep 17, 2019 | Principles for awarding contracts | Upheld | Skarb Państwa - Komendę Główną Straży Granicznej |
Authorized Representatives
Manner of representation
“EST ENERGY” limited liability company limited partnership is represented by the general partner, i.e. “EST ENERGY” limited liability company, which is represented as follows: by the President of the Management Board independently or by two members of the management board jointly or by a member of the management board jointly with a commercial proxy. The management board of the general partner consists of: Henryk Jan Mieszkuniec – member of the management board – President.
Partners
| Partners | Partner role |
|---|---|
| General partner | |
| – | |
Elżbieta Hanna Mieszkuniecage 72 | – |
Henryk Jan Mieszkuniecage 72 | – |
Jakub Adam Mieszkuniecage 50 | – |
Karolina Marta Moruśage 47 | – |
Beneficial owners
| Person | Rights |
|---|---|
Subsidiaries
| Name | Stake | |
|---|---|---|
EST Energysp. z o.o. + limited partnership | – |
Bank accounts
Registered as a VAT taxpayer on 2013-04-01.
70 1020 1068 0000 1102 0367 4579
08 1020 1068 0000 1102 0366 3085
27 1020 1068 0000 1102 0344 0807
Debt
No entries in the National Debtors Register (KRZ).
Public aid
12 public aid cases recorded, with a total value of $203,960.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jun 27, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Prezes Banku Gospodarstwa Krajowego | |
| Jun 27, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Prezes Banku Gospodarstwa Krajowego | |
| Jun 27, 2024 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Prezes Banku Gospodarstwa Krajowego |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
| Waste collection | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| EG Systemsp. z o.o. + limited partnership | $6,727,860.40 | egsystem.pl | ||
| ETC Plussp. z o.o. | $5,818,676.60 | etc.pl | ||
| Chisage Polskasp. z o.o. | $4,923,829.11 | chisagepolska.pl | ||
| Energia Pomorzesp. z o.o. | $3,999,025.02 | energiapomorze.pl | ||
| Energopunktsp. z o.o. | $3,795,986.92 | energopunkt.com | ||
| Slider Technologiessp. z o.o. | $3,052,389.12 | slidertechnologies.pl | ||
| Voltensp. z o.o. | $2,094,810.19 | volten.com.pl | ||
| N Energiasp. z o.o. | $1,902,842.24 | n-energia.pl | ||
| By Energy Solutionssp. z o.o. | $976,705.21 | byenergysolutions.pl | ||
| Ekomocnisp. z o.o. | $602,539.68 | ekomocni.pl |
FAQ
Last updated: 2026-10-12