Energy efficiency regulation in Turkey is the body of rules, led by Energy Efficiency Law No. 5627 and its secondary legislation, that governs how businesses measure, manage and report energy use. An industrial plant using 1,000 tonnes of oil equivalent (toe) or more a year must appoint an energy manager, report consumption by the end of March and allow on-site inspections.
Key takeaways
- Plants using 1,000 toe or more a year must appoint an energy manager; private plants above 50,000 toe also need an energy management unit.
- Industrial plants report the requested energy consumption data to the Ministry by the end of March each year and must allow on-site inspections.
- At 2026 rates, failing the energy manager obligation is fined TRY 648,635, and providing no information or refusing an inspection TRY 1,621,847.
- Under Article 8 as amended in 2024, energy efficiency projects can receive grant or interest support of up to 30% of their cost.
- Compliance and support both depend on consumption data that is measured by source, timestamped and ready to show an inspector.
How is energy efficiency compliance handled on the factory floor?
In many plants, energy efficiency compliance is a job title rather than a system. An energy manager has been appointed, but works from monthly utility bills, a handful of spreadsheets and notes from the maintenance team. As March approaches, last year's electricity, natural gas and fuel figures are pulled together, converted to toe and matched against production volumes.
The problem is not the spreadsheet itself; it is the data behind it. If consumption is known only at the main meter, nobody can prove which line or which investment actually saved energy. Each time an inspector, a customer questionnaire or a grant application arrives, the same numbers have to be rebuilt from scratch.
The pressure is also coming from more than one direction. Export customers ask for energy and carbon data, and lenders want sustainability information. The same consumption figures are now requested through several doors at once.
Who must do what under energy efficiency regulation in Turkey?
According to the current text of Energy Efficiency Law No. 5627, industrial plants with total annual energy consumption of 1,000 toe or more must appoint an energy manager from among their staff. Private-sector plants using 50,000 toe or more must also set up a dedicated energy management unit.
Plants below the threshold are not entirely outside the picture. The law requires organised industrial zones (OSBs, Turkey's managed industrial parks) to run an energy management unit serving member plants that consume less than 1,000 toe; we explain how metering works in practice for these plants in our article on energy monitoring in organised industrial zones. Commercial, service and public buildings with at least 20,000 m² of floor area, or consumption of 500 toe or more, must also appoint an energy manager or buy the service in.
The table below summarises the obligations and the data you need ready for each:
| Situation | Obligation | Data you need ready |
|---|---|---|
| Industrial plant, ≥1,000 toe a year | Appoint an energy manager | Annual consumption by source (electricity, gas, fuels) and toe conversion |
| Private industrial plant, ≥50,000 toe | Set up an energy management unit | Energy per unit of output, savings tracked per project |
| Plant in an OSB, <1,000 toe | Served by the OSB's energy management unit | Main meter data and reports you can share with the OSB |
| Building, ≥20,000 m² or ≥500 toe | Energy manager or external service | Consumption by building and system (HVAC, lighting) |
| Industrial plants (≥1,000 toe) and obliged buildings | Report by end of March each year; plants must allow on-site inspections | A consistent, documented record of the previous year |
The practical detail (energy manager qualifications, reporting format, audit and project rules) sits in regulations and communiqués that change over time. Treat the information here as a general framework and check the current secondary legislation and Ministry announcements for your own site.
What are the fines and costs of non-compliance?
The first cost of breaching energy efficiency regulation in Turkey is the administrative fine. Under Article 10 of Law No. 5627, fines apply if the energy manager obligation is not met within 30 days of a warning, if no information is provided at all, or if an on-site inspection is refused. Submitting incomplete or incorrect information carries a separate fine, so the accuracy of the reported figures matters too. The amounts are revised every year by communiqué; the figures applying in 2026 are as follows (Law No. 5627, current text with the 2026 schedule of fines):
| Breach (Article 10) | 2026 administrative fine |
|---|---|
| Energy manager obligation not met within 30 days of a warning | TRY 648,635 |
| Incomplete or incorrect information submitted | TRY 324,273 |
| No information provided, or on-site inspection refused | TRY 1,621,847 |
The same article caps a fine at 20% of the plant's previous-year energy spend or 5% of its revenue.
A larger cost than any fine is energy waste that nobody measures. Industry is one of the biggest energy users in Turkey:
Turkey's final energy consumption was 120.4 Mtoe in 2022, and industry accounted for 31.6% of it. (Ministry of Energy and Natural Resources (MENR) — Energy Efficiency 2030 Strategy and Second National Energy Efficiency Action Plan)
The Ministry's Second National Energy Efficiency Action Plan targets 37.1 Mtoe of cumulative primary energy savings in 2024–2030, equivalent to a 16% cut in primary consumption. Globally, industry is lagging: the International Energy Agency's Energy Efficiency 2025 report (IEA) finds that around two-thirds of final energy demand growth since 2019 came from industry, where annual energy intensity improvement fell below 0.5%, against almost 2% in the previous decade.
Alongside energy efficiency regulation, climate regulation is widening too. In force since July 2025, Turkey's Climate Law No. 7552 establishes a national Emissions Trading System and requires covered plants to obtain a greenhouse gas emission permit within 3 years of the law's entry into force. A plant that cannot organise its energy data today will be building its Scope 1, 2 and 3 emissions figures from the same scattered records tomorrow. For exporters to the EU, the same data also underpins reporting under the Carbon Border Adjustment Mechanism, covered in our guide to CBAM reporting.
How do you comply with energy efficiency obligations? A six-step framework
To turn energy efficiency compliance from an annual form into an ongoing management cycle, we suggest this sequence:
- Confirm your scope. Convert three years of electricity, natural gas, LPG, diesel and other fuel use into toe. Establish where you sit against the 1,000 toe threshold and whether you are trending towards it; if you are in an OSB, find out how its energy management unit works with members.
- Define ownership. Appoint the energy manager, but do not leave them alone. Put the reporting line in writing, with one representative each from maintenance, production and finance.
- Draw up a metering plan. Alongside the main meters, measure the large consumers separately: compressors, furnaces, chillers and big motors. Decide which point is read and how often.
- Bring the data into one place. Store meter, analyser and production data with timestamps in a single database, and keep toe conversion factors in one fixed reference table.
- Set performance indicators. Track energy per unit of output, consumption per shift and idle-time consumption every month. Measure every savings project before and after with the same indicator.
- Automate reporting and evidence. Produce the March summary, the detailed records for an inspection and the savings calculation for a grant application from the same data and the same report.
We cover how the metering plan and data collection (steps 3 and 4) work in practice in our factory energy monitoring guide. Keeping sensor and meter data queryable for years is also where the choice of a time-series database for IoT data starts to matter.
Quick readiness check
| Question | If yes | If no |
|---|---|---|
| Do you know your annual toe by energy source? | Plan against the threshold | Convert three years of bills first |
| Is the energy manager's data collected automatically? | Move on to reporting | Build the metering and collection layer |
| Are your largest consumers metered separately? | Start calculating energy per unit | Prioritise sub-metering points |
| Can you prove the effect of savings projects in numbers? | You are ready to apply for support | Set up before-and-after measurement |
What energy efficiency incentives are available in Turkey?
Energy efficiency regulation does not only impose duties. Under Article 8 of Law No. 5627, as amended in 2024, energy efficiency projects that meet the Ministry's criteria can receive grant or interest support of up to 30% of their cost, and businesses that reduce their energy or carbon intensity can receive up to 30% of their energy costs (Law No. 5627, Article 8). The caps in the text of the law are TRY 15 million for project support and TRY 10 million for energy cost support, indexed each year to the revaluation rate, so check the current figures before you apply.
What all energy efficiency incentives have in common is that savings must be measurable. A plant that cannot evidence its consumption before a project cannot evidence the gain after it either. For other digitalisation schemes, see our overview of SME digitalisation grants in Turkey.
Consumption data collected for incentives exposes other problems too. Reactive charges on the bill point to reactive power penalty risk, while load that continues overnight and at weekends often signals compressed air leaks.
If the plant's office buildings fall within scope, smart building automation can feed HVAC and lighting data into the same pool.
How does ISO 50001 relate to energy efficiency regulation?
Organisations looking for a formal energy efficiency framework often turn to the ISO 50001 energy management system standard. The text of Law No. 5627 does not require ISO 50001 certification, but the standard offers a widely used international framework for running the energy manager's work systematically. According to the ISO Survey 2024, there were 38,482 valid ISO 50001 certificates covering 88,323 sites worldwide. ISO 50001's cycle of measuring, monitoring and improving overlaps heavily with the data discipline Law No. 5627 expects; we cover implementation in our ISO 50001 energy management guide.
How does Digital Bridge set up energy efficiency compliance?
At Digital Bridge, because our software and hardware come from the same team, we can take a regulatory requirement all the way down to the metering point on site. We do not sell off-the-shelf packages; every engagement starts with a needs analysis:
- Discovery and needs analysis. We review recent bills, the switchboard layout and the major consumers, then map your toe position and data gaps. Through our digital transformation consultancy we treat energy data alongside your ERP, production and reporting processes, and finish with a written proposal setting out scope, phases and price.
- Pilot. We start by metering a few of the largest consumers. As part of our energy monitoring and management service, we install energy analysers at main switchboard, line and critical machine level and bring the data together on a central platform.
- Integration. We connect distributed meters through automatic meter reading (OSOS) and bring in production volumes from MES or ERP. Where no off-the-shelf device fits, we design the hardware ourselves, and the technical feasibility study for hardware is free.
- Reporting. Energy per unit, the toe summary and project impact are shared with the energy manager and management on BI dashboards, and the annual March summary comes from the same data.
We explain how to get data from the distribution company's meter in our article on the automatic meter reading obligation, and how to fit an energy project into the wider plan in our digital transformation roadmap guide.
If you are unsure where to begin, a digital maturity assessment is a sensible first step.
Next step towards energy efficiency compliance
Convert the last three years of energy bills into toe by source, and write down which files next March's report will come from. If the answer is spreadsheets and invoices, building the metering layer now makes both compliance and savings easier. Get in touch and we will agree your first metering points together during our free Industry 4.0 site assessment.
For other angles on digitalisation, browse all our digital transformation articles.