VOLTALIA (EPA:VLTSA) Voltalia wins two battery energy storage projects in French Guiana.

Transparency directive : regulatory news

15/10/2018 18:00

PRESS RELEASE

October 15, 2018

Voltalia wins two battery energy storage projects in French Guiana

Voltalia (Euronext Paris, ISIN code: FR0011995588) announces that the French
Energy Regulation Commission (CRE) selected its two battery energy storage
projects in French Guiana, for an installed capacity of 10 MW in total,
representing 90% of all selected projects.

In order to optimize the use of existing production capacities and improve the
functioning of the Guianese electrical network, the French national Energy
Regulation Commission (CRE) has launched a call for projects regarding the
construction and operation of standalone electricty storage systems.

The so-called "Mana storage" project presented by Voltalia, consisting in two
battery storage units for an installed capacity totalling 10 MW, is the main
project selected by the CRE in French Guiana and will benefit from a 10-year
remuneration contract starting from the commissioning of the installation,
expected at the end of 2019. It is the first project of its kind in Guiana and
an important innovation for the territory.

"We are proud to use once again our knowledge of isolated networks and our
know-how in terms of storage to better serve the inhabitants of French Guiana.
They will benefit from cheaper electricity during peak periods and from a more
stable electricity network. In addition, this new storage project is located in
the same area as Voltalia's very first power plant!" , comments Sébastien
Clerc, Chief Executive Officer of Voltalia.

An other innovative project in French Guiana...

The two storage units will be equipped with lithium-ion batteries. After
relying on the in-house expertise of teams to develop this project, Voltalia
will build and maintain the storage units, to be utimately owned by the Group.

This is the second storage project initiated in French Guiana, after the Savane
des Pères project (a 4 MW solar project coupled with over 2 MW of storage),
won during the June 2016 tender and scheduled to be commissioned by June 2019.

...tackling two major issues

The two storage units of 5 MW each will tackle two different issues. They came
with a precise set of technical specifications and each will be dimensioned
accordingly.

The first unit (5MW/5MWh) will be used for daily arbitrage; storing abundant
and cheap electricity produced in the middle of the day and releasing it during
peak consumption in the evening will enable to decrease the cost of electricity
for the grid operator. This storage unit will cover each day c. 4% of French
Guiana's peak power consumption on average, i.e. the peak consumption of 12,000
local inhabitants.

The second unit (5MW/2.5MWh) will be used to regulate the frequency of the
network: by discharging stored electricity on the network when there is a drop
in frequency due to lower production, the network operator will be able to
offer better service and avoid electricity outages, which remain frequent in
Western Guiana. In fact, the storage unit will be able to provide, for a
minimum of 30 minutes, the equivalent of the domestic electricty consumption of
a city the size of Kourou, the fourth most populated city in French Guiana.

French Guiana, Voltalia's historical birthplace

Founded 2005 in French Guiana, Voltalia can rely on a seasoned local team. With
16.7 MW currently in operation and construction and 16 MW secured (including 12
MW of storage), French Guiana is, to date, the only territory where Voltalia
produces electricity using three energy sources (hydro, biomass, solar).

Next on the agenda: 9M 2018 revenues on October 17, 2018

About Voltalia (www.voltalia.com)

* Voltalia is an international player in the renewable energy sector. The
  Company produces and sells electricity generated from wind, solar, hydro and
  biomass power plants; it owns a total installed capacity of 524 MW as of
  today.
* Voltalia is also a service provider, assisting its investor clients active
  in renewables at each project stages, from conception to operation and
  maintenance.
* With 490 employees in 18 countries, over 4 continents. Voltalia is able to
  act worldwide on behalf of its clients.
* Voltalia has been listed on the Euronext regulated market in Paris since
  July 2014 (FR0011995588 - VLTSA) and is a component stock of the Enternext
  Tech 40 index and the CAC Mid&Small index.

Voltalia
Chief Administrative Officer: Marie de Lauzon
Investor relations: invest@voltalia.com
+33 (0)1 81 70 37 00

Actifin
Press contact: J. Jullia
+33 (0)1 56 88 11

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VOLTALIA (EPA:VLTSA) Voltalia wins two battery energy storage projects in French Guiana.

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