Slovakia
SlovakiaSK
2,652 MW produced
HU
CZ
PL
This country has no bidding zone of its own, so it has no day-ahead price of its own.
Grid snapshot
Demand, generation and balance, updated every minute.
delayed data · as of 12/09/2026, 23:45:00
Physical cross-border flows
Electricity measured crossing every border in August 2026, valued at this zone's day-ahead price.
| Border with | Out, MWh | at €/MWh | In, MWh | at €/MWh | Difference € |
|---|---|---|---|---|---|
| Hungary | 1,177,889 | 165.48 | 13,189 | 98.99 | 193,610,977 |
| Czechia | 43,215 | 112.76 | 930,101 | 162.73 | −146,483,600 |
| Poland | 9,931 | 245.18 | 401,932 | 137.78 | −52,942,941 |
| Ukraine | 196,901 | 166.48 | 60,992 | 117.87 | 25,590,239 |
Hungary
Czechia
Poland
Ukraine19,774,675 € for 21,721 MWh that stayed in the country works out at 910.37 € per megawatt-hour, in a month that averaged 149.62.
The first line is energy the country needed and got. The other two — 16,524,741 € together — come not from how much moved but from when: cheap hours to sell in, expensive hours to buy in. That is the price of a timing mismatch, not a loss.
Physical cross-border flows and commercial electricity trades measure different phenomena. ANRE data is shown as an independent official benchmark and should not be interpreted as an exact reconciliation.
Not an invoice. Cross-border electricity is not sold country to country: the markets are coupled and the physical flow is the outcome of a shared auction. These figures value the measured flow at this zone's own day-ahead price, so both directions can be compared on the same scale.
Flows are measured, quarter-hour by quarter-hour; hourly borders are spread across the four quarters they cover, so every megawatt-hour meets the price that was actually in force. Energy entering the country is not the same as energy consumed here — some of it passes through.
Who we sold energy to
Who we sold energy to when they needed it — last 30 days
data for the last 30 days · 29 days covered
-
Hungary 1,094.51 GWh
-
Ukraine 174.47 GWh
-
Czechia 51.11 GWh
-
Poland 11.35 GWh
What we sent our neighbours, per border. Energy summed from quarter-hour averages over the days actually covered by the archive. The average power is over the hours in which it flowed this way, not over every hour. A country can appear in both lists: with the same neighbour we import in some hours and export in others.
Who we bought energy from
Who sold us energy when we needed it — last 30 days
data for the last 30 days · 29 days covered
-
Czechia 798.53 GWh
-
Poland 373.29 GWh
-
Ukraine 44.46 GWh
-
Hungary 15.18 GWh
What our neighbours sent us, per border. Energy summed from quarter-hour averages over the days actually covered by the archive. The average power is over the hours in which it flowed this way, not over every hour. A country can appear in both lists: with the same neighbour we import in some hours and export in others.
Source shares
Every source, with its share and the emission factor used in the carbon estimate.
delayed data · as of 12/09/2026, 23:45:00
-
Nuclear 1,936MW 73.0%
details
- Renewable
- no
- Emission factor
- 12 g CO₂eq/kWh
- Adds to the national average
- 8.8 g/kWh
-
Run-of-river hydro 203MW 7.6%
details
- Renewable
- yes
- Emission factor
- 24 g CO₂eq/kWh
- Adds to the national average
- 1.8 g/kWh
-
Natural gas 153MW 5.8%
details
- Renewable
- no
- Emission factor
- 490 g CO₂eq/kWh
- Adds to the national average
- 28.2 g/kWh
-
Other sources 129MW 4.9%
details
- Renewable
- no
- Emission factor
- 490 g CO₂eq/kWh · weak factor, the figure is fragile
- Adds to the national average
- 23.8 g/kWh
-
Biomass 88MW 3.3%
details
- Renewable
- yes
- Emission factor
- 230 g CO₂eq/kWh · weak factor, the figure is fragile
- Adds to the national average
- 7.6 g/kWh
-
Hydro reservoir 64MW 2.4%
details
- Renewable
- yes
- Emission factor
- 24 g CO₂eq/kWh
- Adds to the national average
- 0.6 g/kWh
-
Pumped-storage hydro 44MW 1.6%
details
- Renewable
- no — storage, not generation: the energy was counted once, when the water was pumped
- Emission factor
- 0 g CO₂eq/kWh
- Adds to the national average
- 0.0 g/kWh
-
Oil 37MW 1.4%
details
- Renewable
- no
- Emission factor
- 650 g CO₂eq/kWh
- Adds to the national average
- 9.0 g/kWh
-
Solar 0MW 0.0%
details
- Renewable
- yes
- Emission factor
- 45 g CO₂eq/kWh
- Adds to the national average
- 0.0 g/kWh
Renewable energy
Share of clean sources in total production.
delayed data · as of 12/09/2026, 23:45:00
The arrows and figures are measurements, as of 12 September at 22:15. The transmission grid is not shown: we do not have its routes for this country yet.
The price right now, across Europe
The interval in progress, live data from right now, in every bidding zone we have a price for.
live data · as of 13/09/2026, 01:15:00
Average across zones: 141 EUR/MWh.
- IE 223EUR/MWh
- IT (CALABRIA) 220EUR/MWh
- IT (CENTRE_NORTH) 220EUR/MWh
- IT (CENTRE_SOUTH) 220EUR/MWh
- IT (SARDINIA) 220EUR/MWh
- IT (SICILY) 220EUR/MWh
- IT (SOUTH) 220EUR/MWh
- IT (NORTH) 218EUR/MWh
- PT 195EUR/MWh
- ES 191EUR/MWh
- AL 169EUR/MWh
- XK 169EUR/MWh
- AT 166EUR/MWh
- BE 166EUR/MWh
- BG 166EUR/MWh
- CZ 166EUR/MWh
- DK (DK1) 166EUR/MWh
- FR 166EUR/MWh
- LT 166EUR/MWh
- LV 166EUR/MWh
- SI 166EUR/MWh
- DK (DK2) 166EUR/MWh
- CH 165EUR/MWh
- NO (NO2) 159EUR/MWh
- PL 154EUR/MWh
- ME 149EUR/MWh
- NO (NO5) 141EUR/MWh
- NO (NO1) 133EUR/MWh
- RS 130EUR/MWh
- NO (NO3) 85EUR/MWh
- TR 58EUR/MWh
- EE 27EUR/MWh
- SE (SE4) 9EUR/MWh
- SE (SE3) 7EUR/MWh
- SE (SE2) 5EUR/MWh
- FI 4EUR/MWh
- SE (SE1) 3EUR/MWh
- NO (NO4) -1EUR/MWh
Wholesale prices for the interval covering this moment, bidding zone by bidding zone — countries with several zones appear once per zone, with its code in brackets. The average is arithmetic across zones, not weighted by demand: a small zone counts as much as a large one. The figures exclude network tariffs, excise duty and VAT.
The source for this country does not publish this dataset. Nothing is estimated in its place.
Who consumes: the base, the work rhythm, the day
An estimate from the shape of the consumption curve, not a measurement by customer category — that is not published in real time. Three parts: what never stops, what runs in shifts on working days, what switches on during the day.
archive up to 12/09/2026, 22:00:00
Over the last seven days consumption averaged 2,704 MW and ranged between 2,070 and 3,423 MW.
How it was measured: the median of the 02–05 hours over 8 Sunday mornings (2,135 MW) and over 31 working mornings, Tuesday to Friday (2,366 MW), across the last 8 weeks; the average over the last seven days. The parts are cut from one another in order and add up exactly to the average.
The parts are shapes of the curve, not customer categories: the base holds every household's fridge as well as a plant that never stops; the day holds single-shift factories too. “Industrial” and “household” would be words these data cannot defend.
The operator's consumption forecast
How much the country is expected to consume, hour by hour, according to the forecast the transmission operator publishes for today and tomorrow. The line is the forecast; the bars, consumption measured so far.
forecast issued 13/09/2026, 00:19:20 · ENTSO-E
The forecast is the transmission operator's, published on its own platform — not a model of ours. It is revised during the day; for each hour the latest issue is shown. The running hour, in the bars, only shows what has accumulated so far.
592 MW out now
| Unit | Lost | Period | |
|---|---|---|---|
| MochovceNuclear · Mochovce TG22 | 235 MW | 12 Sept – 26 Oct | forced |
| MochovceNuclear · Mochovce TG21 | 235 MW | 12 Sept – 26 Oct | forced |
| Čierny VáhPumped-storage hydro · Čierny Váh TG4 | 122 MW | 16 Sept – 22 Sept | announced |
| Čierny VáhPumped-storage hydro · Čierny Váh TG6 | 122 MW | 21 Sept – 23 Sept | announced |
| Čierny VáhPumped-storage hydro · Čierny Váh TG5 | 122 MW | 14 Sept – 14 Sept | announced |
| Čierny VáhPumped-storage hydro · Čierny Váh TG2 | 122 MW | 16 Sept – 16 Sept | announced |
| Čierny VáhPumped-storage hydro · Čierny Váh TG4 | 122 MW | 21 Sept – 23 Sept | announced |
| Čierny VáhPumped-storage hydro · Čierny Váh TG3 | 122 MW | 21 Sept – 23 Sept | announced |
| Čierny VáhPumped-storage hydro · Čierny Váh TG5 | 122 MW | 21 Sept – 23 Sept | announced |
| Čierny VáhPumped-storage hydro · Čierny Váh TG3 | 122 MW | 16 Sept – 16 Sept | announced |
and 6 more
The source for this country does not publish this dataset. Nothing is estimated in its place.
The source for this country does not publish this dataset. Nothing is estimated in its place.
How we estimated 80 g CO₂/kWh
This is an estimate, not a measurement. There is no official carbon-intensity measurement for this country, so we compute it from the production mix.
Σ(source generation × source factor) / Σ(generation), over positive values, with life-cycle factors.
The factors are life-cycle values — they include construction and fuel, not just combustion. That is why solar, wind and nuclear are not zero. Source: IPCC AR5 WG3, Anexa III, Tabelul A.III.2 (mediane), version 1.
| Source | MW | g/kWh |
|---|---|---|
| Nuclear | 1,936 | 12 |
| Run-of-river hydro | 203 | 24 |
| Natural gas | 153 | 490 |
| Other sources | 129 | 490 |
| Biomass | 88 | 230 |
| Hydro reservoir | 64 | 24 |
| Pumped-storage hydro | 44 | 0 |
| Oil | 37 | 650 |
| Solar | 0 | 45 |
The source for this country does not publish this dataset. Nothing is estimated in its place.
How the renewable share is computed
Σ(renewable sources, positive values only) / Σ(all sources, positive only).
Numerator: Run-of-river hydro, Biomass, Hydro reservoir, Solar, Onshore wind.
Denominator: 2,652 MW.
Pumped-storage hydro and waste are not counted as renewable — the first would double-count energy, the second is partly fossil and its biogenic fraction cannot honestly be separated.
Consumption — 90 days
37 points, P1D resolution. Long ranges are served from precomputed aggregates — a one-year chart from per-minute data would push hundreds of thousands of points into the browser for nothing. Our archive starts at 2015-01-01 00:00 UTC.
By source
Each source has its own page, with history and context:
Solar power · Wind power · Hydropower · Nuclear power · Power from natural gas · Power from coal · Power from biomass
Alerts
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Source: ENTSO-E Transparency Platform ·
shares are computed on positive values, because solar farms draw from the grid at night ·
JSON API: /api/v1/countries/SK/latest