Lisanssız Üretimlerde YAT (Yük Atma Talimatı) Uygulama Yönetimi

A load-shed instruction, YAT in the Turkish market, is the emergency order that temporarily cuts an unlicensed plant when the grid is under stress. The Official Gazette of 19 October 2026, issue 33405, sets out how that instruction is managed: who receives it, which plant is tripped first, who does the trip, who starts the plant again, and how the penalty is calculated if SCADA fails. Management splits into two steps. The distribution company trips the plant remotely when the YAT arrives. The facility owner, the unlicensed producer, re-energizes the plant after notice that the emergency is over. If the link is down, the penalty is one month of the system-use charge for every instruction that could not be tripped, and it cannot exceed three times that charge in the same month.

Which plant receives the YAT, and in what order?

Article 75(4) of the Balancing and Settlement Regulation speaks to unlicensed plants connected to the distribution system. Emergency load reduction starts with plants whose electrical installed capacity in operation is 900 kW or more. The first plant tripped is the one with the largest electrical capacity. If capacity is equal, the higher mechanical capacity comes next, then the earlier provisional acceptance date, then the earlier connection agreement. The queue starts in the incumbent supplier’s portfolio. A plant below 900 kW is not in this curtailment order. An unlicensed plant on the transmission system is separate: the system operator may instruct the owner directly.

How is the YAT carried out?

The chain does not start on the owner’s phone. The system operator gives the emergency instruction to the incumbent supplier or the aggregator whose portfolio holds distribution-connected unlicensed plants. The incumbent supplier forwards it to the distribution company, or to the licensed organized industrial or industrial zone, where the plant is connected, and sends the list of plants in scope. The distribution company and the zone report back whether the instruction was carried out. The aggregator has a further duty: it must build remote control for the distribution-connected unlicensed plants in its own portfolio and make sure the instruction is met.

The eighth paragraph added to Article 21 of the Unlicensed Electricity Generation Regulation names who presses the button. The distribution company, and a distribution-licensed organized industrial or industrial zone, may remotely control a plant within Article 75(4). Where generation and consumption sit on the same site, only the generation side is tripped; the site is not stopped from drawing energy. Within 15 minutes after the emergency ends, the grid operator tells the owner, by phone and by a durable medium, that it is over. After that notice, re-energizing the plant is the owner’s job. The distribution company does not start the plant again for you.

“Opening” does not mean starting the plant

The words “remote opening” in decision 14909 are easy to misread. In electrical practice, opening means opening the breaker and separating generation from the grid. Closing means closing the breaker and connecting the plant again. In an emergency the distribution company is trying to open: to trip the plant. If faulty SCADA or communications stop that trip, the penalty arises. Starting the plant again is not what that sentence is about. That step belongs to the owner after the 15-minute notice.

What the owner does this autumn

Provisional Article 14 gives an unlicensed producer within Article 75(4) sixty days. The period starts on 19 October 2026 and ends on 18 December 2026. Within that time the producer applies to the relevant grid operator to revise the existing connection agreement to the Board-approved unlicensed distribution connection agreement. If no application is made, the approved agreement in force is still applied. Waiting does not freeze the old text. The same step connects the plant to the distribution company’s SCADA centre, for monitoring and for remote opening and closing. Where generation and consumption are combined, control is required only on the generation side. If the equipment fails, it is repaired or replaced within one month of the distribution company’s written notice on a durable medium.

What an instruction that cannot be tripped costs

Decision 14909 adds two penalties to Article 16 of the connection agreement. If SCADA integration was never built, each month without it costs one times that month’s system-use charge. If integration exists but, at the moment of the emergency, faulty SCADA or communications stop the distribution company from tripping the plant remotely, each missed trip costs one times that month’s system-use charge as well. Under this second clause the total in the same month cannot exceed three times the charge. A fourth or fifth failed trip does not raise the bill. The counter resets the next month.

The second paragraph of Provisional Article 14 says these two clauses (f and g) are not applied until 30 April 2027. The pause is there so the integration can be built. The daily charge for a repair that was ignored is not in that pause. If the distribution company has given written notice on a durable medium and the repair is not done within one month, one percent of that month’s system-use charge applies for each day the breach continues. Days already penalized under clause g for a failed remote trip are not charged that percent again.

If the instruction is not met, the energy payment stops too

The penalty is calculated on the system-use charge. Separately, Additional Article 4 says no payment is made for the output that corresponds to the part of the instruction that was not carried out. The amount uses the price in Table I of the Renewable Energy Law, the price under Presidential Decision 11415 of 12 June 2026, or the subscriber-group tariff used for surplus energy. The incumbent supplier or the aggregator collects it from the producer and reports it to the market operator so it enters the renewable support total. The plant may have been generating; those kilowatt-hours still do not reach the cash account. The pattern described in Lisanssız üretimde bedelsiz YEKDEM hataları yazımızda, a plant that turns while the payment stops, appears here as well when an emergency instruction is missed.

Where do the industrial zone and the aggregator sit?

The organized and industrial zone regulation in the same gazette gives the licensed zone operator two jobs. It carries out the unlicensed load-reduction instruction received from the incumbent supplier, and it follows TEİAŞ emergency instructions under the grid code. It sends plant data and the result of the instruction to the incumbent supplier, and the emergency data TEİAŞ asks for, on time. A missed duty goes to Article 16 of the Electricity Market Law. On the aggregator side, remote control is not optional. The distribution-connected unlicensed plant in the portfolio must be capable of being tripped when the instruction arrives.

What to check this week

• Check whether electrical installed capacity in operation is above 900 kW. Below that, the plant is not in this curtailment order.
• Confirm whether the plant sits in the incumbent supplier’s portfolio or an aggregator’s. The order starts with the incumbent supplier.
• Apply to the grid operator to revise the connection agreement before 18 December 2026.
• Test that the distribution centre can both monitor the SCADA link and open the breaker. If generation and consumption are combined, only generation should be tripped.
• If there is a fault, keep the date of the written notice. The one-month repair period runs from that date.
• When the all-clear arrives, re-energize the plant. That step is not the distribution company’s.

30 April 2027 is not a date on which the penalty disappears. Until that day clauses f and g are not applied. After that day every instruction that cannot be tripped costs one times the monthly system-use charge, and stops at three times in a month. Lisanssız GES uyum riskleri rehberimizde separates the other cases in which revenue stops. What stops here is the grid’s ability to trip the plant remotely.