The average price of electricity per megawatt-hour (MWh) is to rise to €86.01 on Friday, from €75.59 per MWh on Thursday.
The cheapest rates were between 3.00 a.m. and 4.00 a.m. on the Friday, when the price drops to €15.92 per MWh on the NordPool trading exchange.
Electricity will be most expensive between 7 p.m. and 8 p.m. in the evening, at €134.18 per MWh.
Electricity prices in Latvia and Lithuania remain comparable with those for Estonia; the average NordPool electricity price in Finland for Thursday ie €74.77 per MWh.
Editor: Andrew Whyte