{"slug":"eso-balancing-market","external_id":"ESO_BALANCING_MARKET","name":{"bg":"\u0411\u0430\u043b\u0430\u043d\u0441\u0438\u0440\u0430\u0449 \u043f\u0430\u0437\u0430\u0440 \u043d\u0430 \u0435\u043b\u0435\u043a\u0442\u0440\u043e\u0435\u043d\u0435\u0440\u0433\u0438\u044f","en":"Electricity balancing market"},"summary":{"bg":"\u041e\u0444\u0438\u0446\u0438\u0430\u043b\u043d\u0438 \u0446\u0435\u043d\u0438 \u0437\u0430 \u043d\u0435\u0434\u043e\u0441\u0442\u0438\u0433 \u0438 \u0438\u0437\u043b\u0438\u0448\u044a\u043a, \u0441\u0438\u0441\u0442\u0435\u043c\u0435\u043d \u043d\u0435\u0431\u0430\u043b\u0430\u043d\u0441 \u0438 \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u0430\u043d\u0430 \u0431\u0430\u043b\u0430\u043d\u0441\u0438\u0440\u0430\u0449\u0430 \u0435\u043d\u0435\u0440\u0433\u0438\u044f \u043d\u0430\u0433\u043e\u0440\u0435 \u0438 \u043d\u0430\u0434\u043e\u043b\u0443 \u043f\u043e \u0441\u0435\u0442\u044a\u043b\u043c\u0435\u043d\u0442 \u043f\u0435\u0440\u0438\u043e\u0434.","en":"Official shortage and surplus prices, system imbalance, and upward and downward activated balancing energy by settlement period."},"topics":["electricity","energy-market","balancing-market","system-imbalance","activated-energy"],"keywords":["\u0415\u0421\u041e","\u0431\u0430\u043b\u0430\u043d\u0441\u0438\u0440\u0430\u0449\u0430 \u0435\u043d\u0435\u0440\u0433\u0438\u044f","\u0446\u0435\u043d\u0430 \u0437\u0430 \u043d\u0435\u0434\u043e\u0441\u0442\u0438\u0433","\u0446\u0435\u043d\u0430 \u0437\u0430 \u0438\u0437\u043b\u0438\u0448\u044a\u043a","\u0441\u0438\u0441\u0442\u0435\u043c\u0435\u043d \u043d\u0435\u0431\u0430\u043b\u0430\u043d\u0441","aFRR","mFRR"],"status":"active","frequencies":["H","PT15M"],"update_frequency":"monthly","coverage":{"first_period":"2019-10-24T21:15:00Z","last_period":"2026-09-30T21:00:00Z","frequencies":["H","PT15M"],"series":9,"observations":609425},"catalog_url":"https:\/\/dati.bg\/api\/v1\/catalog\/eso-balancing-market","description":{"bg":"\u041e\u0444\u0438\u0446\u0438\u0430\u043b\u043d\u0438 \u0446\u0435\u043d\u0438 \u0437\u0430 \u043d\u0435\u0434\u043e\u0441\u0442\u0438\u0433 \u0438 \u0438\u0437\u043b\u0438\u0448\u044a\u043a, \u0441\u0438\u0441\u0442\u0435\u043c\u0435\u043d \u043d\u0435\u0431\u0430\u043b\u0430\u043d\u0441 \u0438 \u0430\u043a\u0442\u0438\u0432\u0438\u0440\u0430\u043d\u0430 \u0431\u0430\u043b\u0430\u043d\u0441\u0438\u0440\u0430\u0449\u0430 \u0435\u043d\u0435\u0440\u0433\u0438\u044f \u043d\u0430\u0433\u043e\u0440\u0435 \u0438 \u043d\u0430\u0434\u043e\u043b\u0443 \u043f\u043e \u0441\u0435\u0442\u044a\u043b\u043c\u0435\u043d\u0442 \u043f\u0435\u0440\u0438\u043e\u0434.","en":"Official shortage and surplus prices, system imbalance, and upward and downward activated balancing energy by settlement period."},"source":{"code":"eso","publisher":"\u0415\u043b\u0435\u043a\u0442\u0440\u043e\u0435\u043d\u0435\u0440\u0433\u0438\u0435\u043d \u0441\u0438\u0441\u0442\u0435\u043c\u0435\u043d \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440 \u0415\u0410\u0414","source_url":"https:\/\/www.eso.bg\/doc\/?balancing-energy","data_url":"https:\/\/www.eso.bg\/doc\/?balancing-energy","retrieved_at":"2026-11-01T21:50:15+00:00","prepared_at":"2026-11-01T21:50:10+00:00","current_release":{"revision":1,"sha256":"0707885e90aba5fe4ddc1d24a89df3862dbd539d18856bac166bb91d58094650","prepared_at":"2026-11-01T21:50:10+00:00","retrieved_at":"2026-11-01T21:50:15+00:00","series":9,"observations":609425}},"structure":{"format":"normalized-gzip-v1","dsd":{"agency":"ESO","id":"ESO_BALANCING_MARKET","version":"1.0"},"dimensions":[{"code":"FREQ","name":{"bg":"\u041f\u0435\u0440\u0438\u043e\u0434\u0438\u0447\u043d\u043e\u0441\u0442","en":"Frequency"},"description":[],"role":"series_dimension","filterable":true,"values":[{"code":"H","name_bg":"\u0427\u0430\u0441\u043e\u0432\u0430","name_en":"Hourly"},{"code":"PT15M","name_bg":"15-\u043c\u0438\u043d\u0443\u0442\u043d\u0430","name_en":"15-minute"}]},{"code":"MEASURE","name":{"bg":"\u041f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b","en":"Measure"},"description":[],"role":"series_dimension","filterable":true,"values":[{"code":"PRICE","name_bg":"\u0426\u0435\u043d\u0430 \u043d\u0430 \u0431\u0430\u043b\u0430\u043d\u0441\u0438\u0440\u0430\u0449\u0430\u0442\u0430 \u0435\u043d\u0435\u0440\u0433\u0438\u044f","name_en":"Balancing energy price"},{"code":"SYSTEM_IMBALANCE","name_bg":"\u0421\u0438\u0441\u0442\u0435\u043c\u0435\u043d \u043d\u0435\u0431\u0430\u043b\u0430\u043d\u0441","name_en":"System imbalance"},{"code":"ACTIVATED_ENERGY","name_bg":"\u0410\u043a\u0442\u0438\u0432\u0438\u0440\u0430\u043d\u0430 \u0431\u0430\u043b\u0430\u043d\u0441\u0438\u0440\u0430\u0449\u0430 \u0435\u043d\u0435\u0440\u0433\u0438\u044f","name_en":"Activated balancing 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FREQ=PT15M applies from 1 October 2022, when Bulgaria introduced the 15-minute imbalance settlement period.","For MEASURE=PRICE, DIRECTION=SHORTAGE is the price paid for a deficit and DIRECTION=SURPLUS is the price for an excess position.","Price UNIT changes from BGN_PER_MWH through 31 December 2025 to EUR_PER_MWH from 1 January 2026. Do not join the two currency series without conversion.","For MEASURE=SYSTEM_IMBALANCE, positive values mean system surplus and negative values mean system deficit. The published unit is kWh.","For MEASURE=ACTIVATED_ENERGY, DIRECTION=UP and DOWN are gross activated quantities and must not be netted unless the analysis explicitly requires it.","ESO can publish or revise settlement values after the operating day. 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