Page 138 - KELAG Annual Report 2017

85%, depending on the type of plant. New plants reach
efficiency levels of up to 90%. Particular attention is given
As a green company, KELAG supplies its retail customers
to the opportunity to enhance the efficiency of existing
with electricity stemming exclusively from hydroelectric
production facilities in the course of renewal measures and
power and green energy. Subsidiary KELAG Wärme GmbH
major maintenance measures to ensure a high degree of
is the largest supra-regional provider of heat in Austria and
capacity availability of the plants. In this context, KELAG
focuses on the production of energy using biomass and
continues its strategy for revitalising and enhancing the
industrial waste heat. In addition to the use of renewable
efficiency of existing power plants.
energy sources for the production of energy, the topic of
GRI Electric Utilities Sector Disclosures
energy efficiency is of utmost importance. The company
shows its customers possibilities for the efficient use of
energy and offers individual products and energy services
in this regard. To further strengthen its position as a
When electrical energy is transmitted and distributed
customer-focused energy service provider, new business
through an electricity grid, energy is physically lost. These
models and technologies are continuously evaluated.
losses can be divided into load-independent and load-
Innovation management, digitalisation, e-mobility and
dependent losses. The load-dependent losses are mainly
smart technologies are key topics. Acting sustainably also
Joule heat losses, which occur on account of the ohmic
means contributing to the security and reliability of energy
resistance of the pipelines and transformers when electrical
supply in a forward-looking manner. Against this backdrop,
energy is transmitted. Due to the dependence of the load-
the company modernises its grid infrastructure on an
dependent losses when the energy is transmitted, these
ongoing basis.
cannot be significantly influenced by KNG-Kärnten Netz
GRI 102-2, 103-1, 103-2
http://www.kelag.at/nachhaltigkeit GmbH. Load-independent losses include, for example, the
loss of iron in transformers, electrical power losses in
transmission cables or corona power losses in overhead
transmission lines. These load-dependent losses are
reduced through continuous renewal measures on the
The Group is one of the major Austrian producers of distribution grid.
electricity from hydroelectric power. In addition, the GRI Electric Utilities Sector Disclosures
company is active in the field of wind power and selectively
implements projects in the area of photovoltaics. With a
total of 90 of its own power plants and drawing on purchase
rights from third-party power plants, a total power plant
capacity of around 1,347MW and a total production volume
of about 3.4 TWh in an average year is available.
The primary energy consumption of the Group in 2017 was
GRI 102-2, 102-6, 103-1, 103-2, GRI Electric Utilities Sector Disclosures
http://www.kelag.at/kraftwerke around 3 petajoules (PJ) and shows how much primary
See also Business divisions
energy is needed for day-to-day operations as well as for
the production of secondary energy. This involves fossil
fuels which are predominantly used for heat production as
The overall efficiency of a hydroelectric power plant
well as for vehicle fleet operations. In accordance with
comprises the efficiency levels of the individual
components of the power plant and ranges from 70% to