The acquisition includes the replay of the main transformer BT10 at Hervanna substation and the BT20 delivery of the main transformer at Lielahti substation.

The acquisition includes 2 pcs 117 ±9x1.67%/21 kV, YNyn0+d, 52 MVA, (ONAN ≥70%, ONAF ≥100%) head transformer with alignment winding installed and probed and operating supplies required by the transformer.

Hervanta's main transformer BT10 will replace the current transformer and Lielahti's main transformer BT20 will be installed in a new transformer protection.

The acquisition includes the replay of the main transformer BT10 at Hervanna substation and the BT20 delivery of the main transformer at Lielahti substation.

The acquisition includes 2 pcs 117 ±9x1.67%/21 kV, YNyn0+d, 52 MVA, (ONAN ≥70%, ONAF ≥100%) head transformer with alignment winding installed and probed and operating supplies required by the transformer.