{"id":2924,"date":"2026-02-26T22:35:38","date_gmt":"2026-02-26T22:35:38","guid":{"rendered":"https:\/\/renewasoft.com.tr\/?p=2924"},"modified":"2026-03-01T16:25:33","modified_gmt":"2026-03-01T16:25:33","slug":"gop-gip-dgp-how-should-a-hes-operator-position-across-markets","status":"publish","type":"post","link":"https:\/\/renewasoft.com.tr\/index.php\/en\/2026\/02\/26\/gop-gip-dgp-how-should-a-hes-operator-position-across-markets\/","title":{"rendered":"G\u00d6P \/ G\u0130P \/ DGP: How Should a HES Operator Position Across Markets?"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;]<!-- RENEWASOFT BLOG - SINGLE TEXT BLOCK HTML (H2\/H3 + boxes + tables + video + images) --><\/p>\n<div style=\"max-width: 980px; margin: 0 auto; line-height: 1.75; font-size: 16px;\">\n<p><!-- Top Info --><\/p>\n<div style=\"margin: 0 0 18px 0; padding: 12px 14px; border: 1px solid #eee; border-radius: 10px; background: #fafafa;\">\n<div style=\"font-size: 12px; letter-spacing: .06em; font-weight: bold; text-transform: uppercase; color: #666;\">Renewasoft | Technical Blog<\/div>\n<div style=\"margin-top: 8px; color: #444; font-size: 14px;\"><b>Reading Time:<\/b> ~18 min \u00a0|\u00a0 <b>Level:<\/b> Intermediate<br \/>\n<b>Target Audience:<\/b> HES operators, SCADA engineers, energy company managers<\/div>\n<\/div>\n<p><!-- SEO NOTE (optional) --><\/p>\n<p style=\"margin: 0 0 8px 0; color: #444;\"><b>Meta description:<\/b> A practical guide for HES operators on how to position in G\u00d6P, G\u0130P, and DGP-step by step, with risk, deviation (imbalance) cost, and Hydrowise decision-support workflow.<\/p>\n<p style=\"margin: 0 0 18px 0; color: #444;\"><b>Keywords:<\/b> G\u00d6P, G\u0130P, DGP, EP\u0130A\u015e, PTF, SMF, imbalance\/deviation, HES energy trading<\/p>\n<p><!-- Title (optional, keep if you want inside the content) --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">G\u00d6P \/ G\u0130P \/ DGP: How Should a HES Operator Position Across Markets?<\/h2>\n<p><!-- 1) Hook + problem statement --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">Hook + problem statement<\/h2>\n<p style=\"margin: 0 0 10px 0;\">Same water, same turbine, same installed capacity yet a HES plant\u2019s monthly revenue can look completely different simply because of how positions are taken in the market. In T\u00fcrkiye\u2019s electricity markets, revenue is not determined only by how much you generate; it is shaped by where you place that generation, when you commit it, and what risks you carry.<\/p>\n<p style=\"margin: 0 0 14px 0;\">Day-Ahead Market (G\u00d6P) provides planning and visibility; Intraday Market (G\u0130P) protects you against forecast errors; Balancing Power Market (DGP) offers the possibility of monetizing flexibility. But if these three markets are not managed together, \u201cdeviation\u201d grows, imbalance costs eat into revenue, and the operations team gets stuck in a reactive loop. <b>[1][2][3]<\/b><\/p>\n<div style=\"padding: 14px 16px; border-left: 5px solid #2d7ff9; background: #f5f9ff; border-radius: 10px; margin: 16px 0;\">\n<h3 style=\"margin: 0 0 6px 0;\">Info Note<\/h3>\n<p style=\"margin: 0 0 8px 0;\">This article answers one core question from a HES operator\u2019s perspective:<\/p>\n<p><b>How do we position in each market and how do we make that positioning systematic?<\/b><\/p>\n<\/div>\n<p><!-- 2) TL;DR --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">TL;DR<\/h2>\n<ul style=\"margin: 0 0 16px 18px;\">\n<li>G\u00d6P is the main planning layer where bids are submitted for the next day\u2019s 24 hours and hourly PTF is formed; the bidding and publication timeline follows a clear daily process. <b>[1]<\/b><\/li>\n<li>G\u0130P is the correction layer that reacts to new information during the day (inflow\/weather\/outage\/transmission constraints); it runs as a continuous trading platform and the gate closure is 1 hour before physical delivery. <b>[2]<\/b><\/li>\n<li>DGP is activated to maintain real-time system balance; it is the offer pool used by MYTM for balancing and relies on capacity that can respond within 15 minutes. <b>[3]<\/b><\/li>\n<li>For HES operators, the key is not \u201cwhich market is better,\u201d but how to manage forecast errors and allocate volume across markets using water\/reservoir constraints and flexibility (the balance between deviation cost and revenue). <b>[4][5]<\/b><\/li>\n<\/ul>\n<p><!-- 3) Concepts \/ background --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">Concepts \/ background<\/h2>\n<h3 style=\"margin: 16px 0 8px 0;\">G\u00d6P (Day-Ahead Market)<\/h3>\n<p style=\"margin: 0 0 10px 0;\">G\u00d6P is the market where participants submit bids for the next day\u2019s 24 hours and hourly matching produces PTF (Piyasa Takas Fiyat\u0131). Submission, validation, optimization, and final publication run in defined time windows. <b>[1]<\/b><\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">G\u0130P (Intraday Market)<\/h3>\n<p style=\"margin: 0 0 10px 0;\">G\u0130P is the market that allows you to adjust your position using new information during the day. EP\u0130A\u015e states that matching in G\u0130P occurs via the continuous trading method and that transactions can be carried out at any time during the day. <b>[2]<\/b><\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">DGP (Balancing Power Market)<\/h3>\n<p style=\"margin: 0 0 10px 0;\">DGP is the mechanism used by the system operator (MYTM) to protect real-time supply\u2013demand balance. EP\u0130A\u015e emphasizes that DGP provides MYTM with \u201creserve capacity that can be activated within a maximum of 15 minutes\u201d for real-time balancing. <b>[3]<\/b><\/p>\n<div style=\"padding: 14px 16px; border-left: 5px solid #14b8a6; background: #f2fffb; border-radius: 10px; margin: 16px 0;\">\n<h3 style=\"margin: 0 0 6px 0;\">Info Card<\/h3>\n<p style=\"margin: 0 0 10px 0;\"><b>Purpose &amp; Mechanics of G\u00d6P:<\/b> The core purpose is to trade electricity on an hourly basis one day before physical delivery and to determine PTF (Piyasa Takas Fiyat\u0131), which serves as a market-wide reference price; the operational logic is based on intersecting buyers\u2019 and sellers\u2019 offers through supply\u2013demand curves. <b>[7]<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\"><b>Purpose &amp; Mechanics of G\u0130P:<\/b> It aims to eliminate supply\u2013demand imbalances that emerge after G\u00d6P closes; it operates as an uninterrupted (continuous) trading platform under a \u201cfirst come, first served\u201d rule until 60 minutes before delivery. <b>[8]<\/b><\/p>\n<p style=\"margin: 0;\"><b>Purpose &amp; Mechanics of DGP:<\/b> It is operated by TE\u0130A\u015e to maintain instantaneous system balance; it functions through Y\u00fck Alma (YAL) \/ Y\u00fck Atma (YAT) instructions given to units that can respond within 15 minutes, and through marginal pricing (SMF). <b>[9]<\/b><\/p>\n<\/div>\n<h3 style=\"margin: 16px 0 8px 0;\">PTF vs SMF<\/h3>\n<p style=\"margin: 0 0 10px 0;\">PTF is the \u201cclearing\/settlement price\u201d formed as a result of market matching. <b>[1]<\/b><br \/>\nSMF (Sistem Marjinal Fiyat\u0131) is a key price reference monitored in the balancing framework, and EP\u0130A\u015e annual reporting also provides PTF\u2013SMF comparisons. <b>[4]<\/b><\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">Deviation \/ imbalance<\/h3>\n<p style=\"margin: 0 0 10px 0;\">Deviation (imbalance) is the difference between planned generation\/consumption and realized generation\/consumption. As deviation grows, settlement\/imbalance components become active; that is why G\u0130P and accurate forecasting\/monitoring become critical for \u201crevenue protection.\u201d (For settlement and imbalance mechanisms, see EP\u0130A\u015e materials and training resources: <b>[6]<\/b>)<\/p>\n<p style=\"margin: 0 0 12px 0;\">Hydrowise brings this together by making G\u00d6P, G\u0130P, DGP decisions manageable \u201cfrom a single screen\u201d through Forecast + SCADA data + scenario\/optimization: proactive position management instead of reactive firefighting.<\/p>\n<p><!-- Video --><\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">Info Note<\/h3>\n<p style=\"margin: 0 0 10px 0;\">\u201cEP\u0130A\u015e\u2019s short training video provides a useful overview of how settlement and imbalance prices (PTF\/SMF) appear in practice.\u201d <b>[6]<\/b><\/p>\n<div style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: 12px; border: 1px solid #eee; margin: 10px 0 18px 0;\"><\/div>\n<div style=\"padding: 14px 16px; border-left: 5px solid #f97316; background: #fff7ed; border-radius: 10px; margin: 16px 0;\">\n<h3 style=\"margin: 0 0 6px 0;\">Technical Note: Three markets, one decision problem<\/h3>\n<p style=\"margin: 0 0 10px 0;\">Many teams handle G\u00d6P, G\u0130P, and DGP as three separate jobs: \u201cthe G\u00d6P person,\u201d \u201cthe G\u0130P person,\u201d \u201cthe DGP person.\u201d But for a HES plant, there is one integrated decision problem:<\/p>\n<p style=\"margin: 0 0 10px 0;\">(1) How much water should I release, and in which hours?<\/p>\n<p style=\"margin: 0 0 10px 0;\">(2) How much of that volume should I monetize in each market?<\/p>\n<p style=\"margin: 0;\">If these two decisions are decoupled, one side grows \u201crevenue\u201d while the other side grows \u201crisk.\u201d That is exactly why a decision-support approach is necessary.<\/p>\n<\/div>\n<p><!-- 4) How does it work? --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">How does it work?<\/h2>\n<h3 style=\"margin: 16px 0 8px 0;\">G\u00d6P flow: where you build the plan<\/h3>\n<p style=\"margin: 0 0 10px 0;\">On EP\u0130A\u015e\u2019s G\u00d6P processes page, the timeline is clearly stated: bids for the next day are submitted until 12:30; hourly PTF and volumes are determined via optimization between 13:00\u201313:30; and final results are published at 14:00. <b>[1]<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\"><b>What this means for a HES operator:<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\">If you expect \u201c18:00\u201322:00 will be expensive tomorrow,\u201d you want to allocate water to those hours.<\/p>\n<p style=\"margin: 0 0 10px 0;\">But if inflow is uncertain or there is equipment\/gate\/transmission risk, loading your entire position into G\u00d6P increases deviation risk.<\/p>\n<p><!-- FIGURE-1 --><\/p>\n<figure style=\"margin: 16px 0; padding: 0;\"><img decoding=\"async\" style=\"width: 100%; max-width: 100%; height: auto; border-radius: 12px; border: 1px solid #eee;\" src=\"https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/Picture3.png\" alt=\"Figure 1 \u2013 Market positioning and updates flow\" \/><figcaption style=\"font-size: 13px; color: #666; margin-top: 8px;\"><b>Figure 1<\/b><\/figcaption><\/figure>\n<h3 style=\"margin: 16px 0 8px 0;\">G\u0130P flow: where you correct the plan<\/h3>\n<p style=\"margin: 0 0 10px 0;\">EP\u0130A\u015e clearly states that matching in G\u0130P is based on the continuous trading method, that transactions are hourly-based, and that gate closure is 1 hour before physical delivery. <b>[2]<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\"><b>What this means for a HES operator:<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\">New rainfall\/snowmelt information arrives before the evening peak \u2192 inflow increases\/decreases \u2192 the G\u00d6P plan should be revised.<\/p>\n<p style=\"margin: 0 0 10px 0;\">Turbine efficiency starts to drop \u2192 you will generate fewer kWh with the same water \u2192 you should shrink deviation via G\u0130P.<\/p>\n<p style=\"margin: 0 0 10px 0;\">A transmission constraint appears \u2192 price dynamics change \u2192 a spread opportunity may emerge.<\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">2024 comparison: the scale of G\u00d6P vs G\u0130P (EP\u0130A\u015e)<\/h3>\n<div style=\"margin: 10px 0 18px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 720px;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 10px; text-align: left; background: #fafafa;\">Indicator (2024)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 10px; text-align: left; background: #fafafa;\">G\u00d6P<\/th>\n<th style=\"border: 1px solid #ddd; padding: 10px; text-align: left; background: #fafafa;\">G\u0130P<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">Matched Volume<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">230.16 TWh<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">15.17 TWh<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">Trading Volume<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">67.38 billion TL<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">142.87 million TL<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">Market Quantity Distribution (Share)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">39.80%<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">2.62%<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">Average PTF (system-wide reference)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">2,235.52 TL\/MWh<\/td>\n<td style=\"border: 1px solid #ddd; padding: 10px;\">2,235.52 TL\/MWh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin: 0 0 12px 0;\"><b>Table-1<\/b> clearly shows that, in 2024, G\u00d6P is the market\u2019s primary \u201cplanning and liquidity\u201d center: matched energy is 230.16 TWh in G\u00d6P versus 15.17 TWh in G\u0130P. Similarly, trading volume is 67.38 billion TL in G\u00d6P and 142.87 million TL in G\u0130P. For HES operators, the practical takeaway is simple: the core position should generally be built in G\u00d6P, while G\u0130P should be used as a \u201ccorrection band\u201d when uncertainty (inflow\/outage\/demand) increases. <b>[10]<\/b><\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">DGP logic: monetizing flexibility (but not guaranteed)<\/h3>\n<p style=\"margin: 0 0 10px 0;\">EP\u0130A\u015e explains that real-time events (outages or sudden consumption changes) can disturb balance and that MYTM then uses offers submitted to DGP to restore balance. It also highlights the connection between DGP and capacity that can be activated within 15 minutes. <b>[3]<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\"><b>What this means for a HES operator:<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\">If you can ramp up\/ramp down quickly, DGP opportunities can arise.<\/p>\n<p style=\"margin: 0 0 10px 0;\">However, DGP is not \u201cguaranteed daily revenue\u201d; activation depends on system needs.<\/p>\n<p style=\"margin: 0 0 10px 0;\">To include DGP in your strategy, you must consider \u201cactivation probability \/ flexibility cost \/ water value\u201d together.<\/p>\n<div style=\"padding: 14px 16px; border-left: 5px solid #14b8a6; background: #f2fffb; border-radius: 10px; margin: 16px 0;\">\n<h3 style=\"margin: 0 0 6px 0;\">Info Card: the \u201cmost critical hour\u201d concept for HES<\/h3>\n<p style=\"margin: 0 0 10px 0;\">In HES trading, success is often decided not across all 24 hours but within a few critical hours:<\/p>\n<ul style=\"margin: 0 0 10px 18px;\">\n<li>Hours where PTF peaks<\/li>\n<li>Hours where DGP activation intensifies<\/li>\n<li>Hours where deviation costs are highest<\/li>\n<\/ul>\n<p style=\"margin: 0;\">That is why you need hourly visibility price, risk, flexibility at the dashboard level. (For PTF\u2013SMF comparisons and hourly reporting examples: <b>[4]<\/b>)<\/p>\n<\/div>\n<p><!-- 5) Impact on the HES \/ plant side --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">Impact on the HES \/ plant side<\/h2>\n<h3 style=\"margin: 16px 0 8px 0;\">Five on site realities that distort market positioning<\/h3>\n<ul style=\"margin: 0 0 16px 18px;\">\n<li>Inflow uncertainty: water inflows can change during the day (especially during seasonal transitions).<\/li>\n<li>Efficiency variability: turbine efficiency changes with head, temperature, and equipment condition.<\/li>\n<li>Operational constraints: minimum flow, environmental limits, tailwater conditions, gate limits.<\/li>\n<li>Outage\/planned maintenance effects: unplanned stops directly break the G\u00d6P plan.<\/li>\n<li>Transmission\/system constraints: regional constraints can change price behavior.<\/li>\n<\/ul>\n<p style=\"margin: 0 0 12px 0;\">This leads to one conclusion:<\/p>\n<p style=\"margin: 0 0 12px 0;\"><b>The quality of your market decision depends as much on \u201cmeasurement and feedback\u201d as it does on \u201cforecasting.\u201d<\/b><\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">What happens when deviation grows?<\/h3>\n<p style=\"margin: 0 0 10px 0;\">When deviation grows, settlement\/imbalance components begin to drive financial outcomes. On the producer side, it shows up very practically:<\/p>\n<ul style=\"margin: 0 0 16px 18px;\">\n<li>End-of-day \u201cwhy is deviation so high?\u201d meetings<\/li>\n<li>Trading team: \u201cI got the price right.\u201d<\/li>\n<li>Operations team: \u201cthe field reality changed.\u201d<\/li>\n<li>Finance: \u201cwhat is the imbalance cost?\u201d<\/li>\n<\/ul>\n<p style=\"margin: 0 0 12px 0;\">This loop is typically rooted in not treating G\u00d6P\u2013G\u0130P\u2013DGP as a single decision process.<\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">Collateral and risk-management dimension<\/h3>\n<p style=\"margin: 0 0 10px 0;\">EP\u0130A\u015e states that imbalance collateral calculation uses elements such as historical negative imbalance quantities, SMF averages, and a risk coefficient. <b>[5]<\/b><\/p>\n<p style=\"margin: 0 0 12px 0;\">This means deviation is not only \u201ctoday\u2019s cost\u201d; as your risk profile grows, collateral\/financing pressure grows as well.<\/p>\n<div style=\"padding: 14px 16px; border-left: 5px solid #ef4444; background: #fff1f2; border-radius: 10px; margin: 16px 0;\">\n<h3 style=\"margin: 0 0 6px 0;\">Risk Box: Why \u201cjust forecasting price\u201d is not enough?<\/h3>\n<p style=\"margin: 0 0 10px 0;\">Positioning based only on PTF forecasts is incomplete for HES. Because revenue = price \u00d7 volume, and \u201cvolume\u201d changes on site.<\/p>\n<p style=\"margin: 0 0 10px 0;\"><b>The most common failure pattern:<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\">\u201cWe allocated water to high-PTF hours\u201d \u2192 \u201cinflow\/efficiency didn\u2019t match\u201d \u2192 \u201cdeviation grew\u201d \u2192 \u201crevenue eroded.\u201d<\/p>\n<p style=\"margin: 0;\">A strong strategy requires price forecasting + generation forecasting + operational risk visibility.<\/p>\n<\/div>\n<p><!-- 6) Example scenario \/ mini calculation \/ flow --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">Example scenario \/ mini calculation \/ flow<\/h2>\n<p style=\"margin: 0 0 12px 0;\">Let\u2019s make the \u201chow should I think?\u201d question tangible with a mini workflow. This is not financial advice; the goal is to show decision logic.<\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">Scenario: Reservoir-based HES targeting the evening peak<\/h3>\n<p style=\"margin: 0 0 10px 0;\">Prices are expected to rise in the evening peak tomorrow.<\/p>\n<p style=\"margin: 0 0 10px 0;\">Reservoir is sufficient, but inflow forecast has uncertainty.<\/p>\n<p style=\"margin: 0 0 10px 0;\">\u2022A small increase in turbine vibration is observed (not a failure, but a risk signal).<\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">Step 1 \u2014 Build the \u201ccore\u201d position in G\u00d6P<\/h3>\n<p style=\"margin: 0 0 10px 0;\">G\u00d6P is where you build the plan. According to EP\u0130A\u015e\u2019s timeline, bids are submitted until 12:30 and PTF\/volumes are determined via optimization between 13:00\u201313:30. <b>[1]<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\">The objective: lock in revenue without carrying all risks.<\/p>\n<p style=\"margin: 0 0 10px 0;\"><b>Practical rule:<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\">\u201cEnergy you can generate with high confidence\u201d \u2192 G\u00d6P<\/p>\n<p style=\"margin: 0 0 10px 0;\">\u201cEnergy that is uncertain but possible\u201d \u2192 G\u0130P\/DGP option<\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">Step 2 \u2014 Use G\u0130P like \u201cinsurance\u201d<\/h3>\n<p style=\"margin: 0 0 10px 0;\">G\u0130P is the real-time correction layer via continuous trading, with gate closure 1 hour before delivery. <b>[2]<\/b><\/p>\n<p style=\"margin: 0 0 10px 0;\">Did inflow get updated? Is turbine efficiency lower than expected?<\/p>\n<p style=\"margin: 0 0 10px 0;\">Use G\u0130P transactions to move the G\u00d6P volume closer to physical reality.<\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">Step 3 \u2014 Treat DGP as a \u201cflexibility option\u201d<\/h3>\n<p style=\"margin: 0 0 10px 0;\">DGP is a tool used by MYTM for real-time balancing; the \u201cactivation within 15 minutes\u201d concept is decisive here. <b>[3]<\/b><br \/>\nFast response is a HES advantage, but activation is not guaranteed.<\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">Mini flow (decision schema)<\/h3>\n<p style=\"margin: 0 0 10px 0;\">(1) Production confidence interval \u2192 (2) G\u00d6P core volume \u2192 (3) G\u0130P correction band \u2192 (4) DGP flexibility option \u2192 (5) Deviation\/collateral impact check<\/p>\n<p><!-- FIGURE-2 --><\/p>\n<figure style=\"margin: 16px 0; padding: 0;\"><img decoding=\"async\" style=\"width: 100%; max-width: 100%; height: auto; border-radius: 12px; border: 1px solid #eee;\" src=\"https:\/\/renewasoft.com.tr\/wp-content\/uploads\/2026\/02\/Picture4.png\" alt=\"Figure 2 \u2013 Intraday uncertainty and position correction flow\" \/><figcaption style=\"font-size: 13px; color: #666; margin-top: 8px;\"><b>Figure 2<\/b><\/figcaption><\/figure>\n<p style=\"margin: 0 0 10px 0;\">As HES production uncertainty increases, the G\u0130P band expands; DGP remains positioned as a separate flexibility option.<\/p>\n<p style=\"margin: 0 0 18px 0;\">As inflow\/weather\/outage signals arrive, G\u0130P is used to align the position closer to physical reality.<\/p>\n<p><!-- Infographic table (Table-2) --><\/p>\n<h3 style=\"margin: 16px 0 8px 0;\"><b>Infographic Draft:<\/b> Strategic Market Decision Band for HES Operators<\/h3>\n<div style=\"margin: 10px 0 18px 0;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 980px; border: 1px solid #e5e7eb;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #e5e7eb; padding: 12px; text-align: left; background: #f9fafb;\">MARKETS (Timeline)<\/th>\n<th style=\"border: 1px solid #e5e7eb; padding: 12px; text-align: left; background: #f9fafb;\">DECISION BAND (Strategy)<\/th>\n<th style=\"border: 1px solid #e5e7eb; padding: 12px; text-align: left; background: #f9fafb;\">RISKS &amp; RECOMMENDED ACTIONS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #e5e7eb; padding: 12px; vertical-align: top;\"><b>G\u00d6P<\/b> (Day-Ahead Market)<br \/>\n<span style=\"color: #6b7280;\">Delivery day -1 (until 12:30)<\/span><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 12px; vertical-align: top;\"><b>CORE PLANNING:<\/b> Maximize reservoir management and water value. Build KG\u00dcP by allocating generation to \u201cpeak\u201d hours where PTF is highest.<\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 12px; vertical-align: top;\"><b>Risk:<\/b> Meteorological uncertainty in expected inflow volumes and price forecast errors.<br \/>\n<b>Action:<\/b> Use basin-level optimization models to plan the most accurate water allocation.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #e5e7eb; padding: 12px; vertical-align: top;\"><b>G\u0130P<\/b> (Intraday Market)<br \/>\n<span style=\"color: #6b7280;\">Until 60 minutes before delivery<\/span><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 12px; vertical-align: top;\"><b>CORRECTION PROCESS:<\/b> Balance the deviation between G\u00d6P commitments and realized hydrological data. Close \u201copen position\u201d through dynamic portfolio management.<\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 12px; vertical-align: top;\"><b>Risk:<\/b> Volume risk; mismatch in production forecast and inability to match due to low market liquidity.<br \/>\n<b>Action:<\/b> Monitor forecast updates in real time and take positions in G\u0130P to avoid falling into imbalance cost.<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #e5e7eb; padding: 12px; vertical-align: top;\"><b>DGP and Ancillary Services<\/b><br \/>\n<span style=\"color: #6b7280;\">Real-time balancing<\/span><\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 12px; vertical-align: top;\"><b>OPTIONAL REVENUE:<\/b> Use plant ramping capability (load take\/load shed speed) to respond to YAL\/YAT instructions from TE\u0130A\u015e and provide frequency control services.<\/td>\n<td style=\"border: 1px solid #e5e7eb; padding: 12px; vertical-align: top;\"><b>Risk:<\/b> Operational risks; inability to execute instructions due to technical failures or ramping constraints.<br \/>\n<b>Action:<\/b> Offer fast-response units as reserve capacity to DGP and generate additional revenue via SMF.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin: 0 0 18px 0; color: #6b7280; font-size: 13px;\"><b>Table-2<\/b><\/p>\n<p><!-- Clear float --><\/p>\n<div style=\"clear: both;\"><\/div>\n<p><!-- 7) Hydrowise \/ Renewasoft approach --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">Hydrowise \/ Renewasoft approach<\/h2>\n<h3 style=\"margin: 16px 0 8px 0;\">How the problem shows up on site<\/h3>\n<p style=\"margin: 0 0 10px 0;\">Operations wants to \u201cplace water into hours,\u201d trading wants to \u201ccatch the price.\u201d<\/p>\n<p style=\"margin: 0 0 10px 0;\">If SCADA data from the field (kW, inflow, gates, vibration, temperature) does not reach trading decisions on time, decisions are made using \u201clast night\u2019s assumptions.\u201d<\/p>\n<p style=\"margin: 0 0 10px 0;\">Result: deviation meetings, imbalance cost, and collateral pressure. <b>[5]<\/b><\/p>\n<h3 style=\"margin: 16px 0 8px 0;\">What does Hydrowise do here?<\/h3>\n<p data-start=\"1443\" data-end=\"1577\">Hydrowise is positioned as a data-driven HES management and decision-support framework rather than a standalone market-trading engine.<\/p>\n<p data-start=\"1579\" data-end=\"1741\">It focuses on integrating forecasting, SCADA visibility, and scenario-based analytics to support operational and strategic decisions across G\u00d6P\u2013G\u0130P\u2013DGP workflows.<\/p>\n<p data-start=\"1743\" data-end=\"1823\">Think of Hydrowise as modular and adaptable to the maturity level of your plant:<\/p>\n<p data-start=\"1830\" data-end=\"1867\"><strong data-start=\"1830\" data-end=\"1867\">(A) Forecast &amp; Scenario Analytics<\/strong><\/p>\n<p data-start=\"1869\" data-end=\"2020\">Price side: PTF is evaluated through scenario-based modeling (high \/ medium \/ low distributions) instead of relying on a single deterministic forecast.<\/p>\n<p data-start=\"2022\" data-end=\"2219\">Generation side: inflow projections, reservoir constraints, and operational efficiency indicators are incorporated into decision scenarios to make \u201cvolume risk\u201d visible before commitments are made.<\/p>\n<p data-start=\"2221\" data-end=\"2328\">This does not replace EP\u0130A\u015e systems; it enhances internal decision quality before market actions are taken.<\/p>\n<p data-start=\"2335\" data-end=\"2377\"><strong data-start=\"2335\" data-end=\"2377\">(B) SCADA-Based Operational Visibility<\/strong><\/p>\n<p data-start=\"2379\" data-end=\"2523\">Hydrowise enables real-time visibility of field signals (kW output, inflow, gates, vibration, temperature) within a unified analytics interface.<\/p>\n<p data-start=\"2525\" data-end=\"2715\">The objective is early detection of deviations between planned and realized production \u2014 allowing trading and operations teams to align decisions within available market windows (e.g., G\u0130P).<\/p>\n<p data-start=\"2722\" data-end=\"2797\"><strong data-start=\"2722\" data-end=\"2797\">(C) Market Decision-Support Layer (Customizable \/ Development-Oriented)<\/strong><\/p>\n<p data-start=\"2799\" data-end=\"2865\">Rather than acting as a direct bidding system, Hydrowise supports:<\/p>\n<p data-start=\"2867\" data-end=\"2996\">\u2022 Structured pre-G\u00d6P planning workflows<br data-start=\"2906\" data-end=\"2909\" \/>\u2022 G\u0130P correction-threshold analytics<br data-start=\"2945\" data-end=\"2948\" \/>\u2022 Flexibility visibility for DGP participation<\/p>\n<p data-start=\"2998\" data-end=\"3195\">For operators seeking a more advanced orchestration layer, Renewasoft can design customized decision-support modules tailored to portfolio size, flexibility characteristics, and internal workflows.<\/p>\n<p data-start=\"3202\" data-end=\"3273\"><strong data-start=\"3202\" data-end=\"3273\">(D) Operational Risk &amp; Predictive Analytics (Expandable Capability)<\/strong><\/p>\n<p data-start=\"3275\" data-end=\"3403\">Hydrowise can incorporate vibration trends, efficiency degradation signals, and operational anomalies into analytics dashboards.<\/p>\n<p data-start=\"3405\" data-end=\"3574\">While not positioned as a standalone predictive maintenance product, this data layer helps quantify production certainty and supports more risk-aware market positioning.<\/p>\n<p data-start=\"3576\" data-end=\"3754\">Organizations interested in deeper predictive maintenance integration can work with Renewasoft to design advanced analytics modules specific to turbine and hydrological behavior.<\/p>\n<div style=\"padding: 14px 16px; border: 1px solid #e5e7eb; background: #ffffff; border-radius: 12px; margin: 16px 0;\">\n<h3 style=\"margin: 0 0 10px 0;\">Actionable recommendation: a \u201cminimum decision support\u201d MVP in 2 weeks<\/h3>\n<p style=\"margin: 0 0 10px 0;\">A practical starter set for HES operators:<\/p>\n<ul style=\"margin: 0 0 0 18px;\">\n<li>Pre-G\u00d6P checklist (before 12:30): inflow forecast freshness, unit readiness, maintenance plan, constraints. <b>[1]<\/b><\/li>\n<li>G\u0130P correction alert: if realized generation deviates beyond X% of the plan, propose a \u201cG\u0130P action.\u201d <b>[2]<\/b><\/li>\n<li>Deviation &amp; collateral dashboard: visualize risk profile while considering imbalance collateral logic. <b>[5]<\/b><\/li>\n<li>Scenario screen: compare revenue\u2013risk under \u201cPTF high \/ medium \/ low\u201d scenarios.<\/li>\n<\/ul>\n<\/div>\n<p><!-- 8) FAQ --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">Frequently asked questions (5\u20138)<\/h2>\n<h3 style=\"margin: 14px 0 6px 0;\">Is G\u00d6P more profitable, or G\u0130P?<\/h3>\n<p style=\"margin: 0 0 10px 0;\">There is no single answer. G\u00d6P builds the plan; G\u0130P corrects uncertainty. As uncertainty rises, the value of G\u0130P rises. <b>[1][2]<\/b><\/p>\n<h3 style=\"margin: 14px 0 6px 0;\">Until when can trades be executed in G\u0130P?<\/h3>\n<p style=\"margin: 0 0 10px 0;\">According to EP\u0130A\u015e, G\u0130P gate closure is one hour before physical delivery. <b>[2]<\/b><\/p>\n<h3 style=\"margin: 14px 0 6px 0;\">Does DGP generate revenue every day?<\/h3>\n<p style=\"margin: 0 0 10px 0;\">No. DGP is activated based on system needs; MYTM uses DGP offers for balancing. <b>[3]<\/b><\/p>\n<h3 style=\"margin: 14px 0 6px 0;\">Why are PTF and SMF monitored together?<\/h3>\n<p style=\"margin: 0 0 10px 0;\">PTF reflects market matching; SMF reflects balancing-side price dynamics. EP\u0130A\u015e reports also provide PTF\u2013SMF comparisons. <b>[4]<\/b><\/p>\n<h3 style=\"margin: 14px 0 6px 0;\">What is the biggest risk for a HES plant\u2014price or production?<\/h3>\n<p style=\"margin: 0 0 10px 0;\">In practice, \u201cvolume risk\u201d (inflow\/efficiency\/outage) often hurts faster than price risk, because it triggers deviation costs.<\/p>\n<h3 style=\"margin: 14px 0 6px 0;\">Why does imbalance collateral matter?<\/h3>\n<p style=\"margin: 0 0 10px 0;\">EP\u0130A\u015e notes that imbalance collateral is calculated using historical negative imbalance quantities and SMF averages, among other factors; a higher risk profile can increase collateral burden. <b>[5]<\/b><\/p>\n<h3 style=\"margin: 14px 0 6px 0;\">Can we manage without a decision-support system?<\/h3>\n<p style=\"margin: 0 0 10px 0;\">Manual management works up to a point for small plants, but as uncertainty, portfolio scale, and market volatility grow, reactive operations become inevitable.<\/p>\n<p><!-- 9) Conclusion + CTA --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">Conclusion + CTA<\/h2>\n<p style=\"margin: 0 0 12px 0;\">G\u00d6P, G\u0130P, and DGP are not \u201cthree separate markets\u201d for a HES operator; they represent one integrated position-management problem. You build the plan in G\u00d6P, align the plan to physical reality in G\u0130P, and pursue flexibility-based opportunities in DGP. What makes this sustainable is the trio of forecasting + real-time data + scenario\/optimization. <b>[1][2][3]<\/b><\/p>\n<div style=\"padding: 14px 16px; border: 1px solid #e5e7eb; background: #ffffff; border-radius: 12px; margin: 16px 0;\">\n<h3 style=\"margin: 0 0 10px 0;\">Next steps (actionable):<\/h3>\n<ol style=\"margin: 0 0 0 18px;\">\n<li>Week 1: define a pre-G\u00d6P checklist + a G\u0130P correction threshold.<\/li>\n<li>Week 2: bring core SCADA KPIs (kW, inflow, gates, vibration\/temperature) into a single view.<\/li>\n<li>Week 4: standardize \u201ccore + correction band + option\u201d scenarios across G\u00d6P\u2013G\u0130P\u2013DGP.<\/li>\n<\/ol>\n<\/div>\n<div style=\"padding: 16px; border-radius: 12px; background: #0b1220; color: #e5e7eb; margin: 18px 0;\">\n<h3 style=\"margin: 0 0 8px 0; color: #ffffff;\">CTA (demo call):<\/h3>\n<p style=\"margin: 0;\">If \u201cdeviation meetings\u201d have become routine at your HES plant and G\u00d6P\u2013G\u0130P decisions feel disconnected from the field, we can model your workflow via a demo using Hydrowise Forecast + SCADA + EP\u0130A\u015e decision support. <b>(Internal link: Renewasoft Demo Request)<\/b><\/p>\n<\/div>\n<p><!-- References --><\/p>\n<h2 style=\"margin: 26px 0 10px 0; font-size: 28px; line-height: 1.25; font-weight: bold;\">References<\/h2>\n<ol style=\"margin: 0 0 0 18px;\">\n<li>[1] EP\u0130A\u015e \u2013 Day-Ahead Market (G\u00d6P) process &amp; market definitions<\/li>\n<li>[2] EP\u0130A\u015e \u2013 Intraday Market (G\u0130P): continuous trading &amp; gate closure information<\/li>\n<li>[3] EP\u0130A\u015e \/ TE\u0130A\u015e \u2013 DGP, MYTM, and the \u201cactivation within 15 minutes\u201d reserve capacity approach<\/li>\n<li>[4] EP\u0130A\u015e reports \u2013 PTF\u2013SMF comparisons<\/li>\n<li>[5] EP\u0130A\u015e \u2013 Collateral \/ imbalance risk components<\/li>\n<li>[6] EP\u0130A\u015e training materials \u2013 settlement and imbalance video\/resources<\/li>\n<li>[7]\u2013[9] EP\u0130A\u015e\/TE\u0130A\u015e market operation explanations (G\u00d6P\/G\u0130P\/DGP purpose &amp; mechanics)<\/li>\n<li>[10] EP\u0130A\u015e 2024 market comparison indicators used in Table-1<\/li>\n<\/ol>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;&#8221;] Renewasoft | Technical Blog Reading Time: ~18 min \u00a0|\u00a0 Level: Intermediate Target Audience: HES operators, SCADA engineers, energy company managers Meta description: A practical guide for HES operators on how to position in G\u00d6P, G\u0130P, and DGP-step by step, with risk, deviation (imbalance) cost, and Hydrowise decision-support workflow. Keywords: G\u00d6P, G\u0130P, DGP, EP\u0130A\u015e, [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":3261,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1841],"tags":[535,533,545,557,547,559,553,543,541,429,309,539,256,549,555,561,551,537],"class_list":["post-2924","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-energy-market-epias-decision-support","tag-balancing-power-market","tag-day-ahead-market","tag-electricity-market-turkey","tag-energy-market-risk-management","tag-energy-trading-strategy","tag-epias-en","tag-flexibility-markets","tag-hpp-market-strategy","tag-hydro-power-plant-trading","tag-hydrowise","tag-imbalance-cost","tag-imbalance-management","tag-intraday-market","tag-portfolio-optimization","tag-power-market-positioning","tag-ptf-en","tag-reservoir-management","tag-system-marginal-price"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>G\u00d6P \/ G\u0130P \/ DGP: How Should a HES Operator Position Across Markets? - Renewasoft Enerji ve Yaz\u0131l\u0131m A.\u015e<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/renewasoft.com.tr\/index.php\/en\/2026\/02\/26\/gop-gip-dgp-how-should-a-hes-operator-position-across-markets\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"G\u00d6P \/ G\u0130P \/ DGP: How Should a HES Operator Position Across Markets? - Renewasoft Enerji ve Yaz\u0131l\u0131m A.\u015e\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][vc_column_text css=&#8221;&#8221;] Renewasoft | Technical Blog Reading Time: ~18 min \u00a0|\u00a0 Level: Intermediate Target Audience: HES operators, SCADA engineers, energy company managers Meta description: A practical guide for HES operators on how to position in G\u00d6P, G\u0130P, and DGP-step by step, with risk, deviation (imbalance) cost, and Hydrowise decision-support workflow. 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