© REESSA Consulting UG (haftungsbeschränkt) 2019
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Energy Storage
REESSA
Consulting
is
an
independent
engineering
company
for
energy
storage
technologies.
We
offer
technical
and
economic
consulting
services
for
energy
storage projects.
Our
primary
experience
involves
consulting
in
the
field
of
pumped
storage
technology.
We
offer
services
encompassing
all
phases
of
development
from
proof
of
concept
through
to
operation
alongside
our
economic
forecasting
models.
Our
experience
and
analysis
results
in
the
field
of
pumped
storage
technology
have
also
been
transferred
to
other
storage
technologies.
From
battery
storage
for
private
PV
storage
to
forecasting
models
for
a
supranational
full
supply
from
renewable
energies
using
power-to-gas
long-term
storage
(P2G).
We
expect
enormous
growth
opportunities,
especially
in
the
battery
storage
sector,
but
also
in
the
P2G
sector
in
the long term.
REESSA
Consulting
offers
complex
market
analyses
and
forecasting
models
for
energy
storage
systems.
Our
goal
is
to
develop
optimal,
long-term
and
sustainable
investment models.
Range of Services
•
Hydro Pumped Storage Technology
•
Battery Storage Technology
•
Hydropower Energy Storage Reservoirs
•
Power-to-Gas
•
Feasibility Studies
•
Technical Assessments
•
Cost Calculation
•
Revenue Calculations
•
Profitability Analyses
•
Optimized Operation
•
Market Analyses / Market Forecasts
•
Forecast Models for Energy Storage Systems
•
Virtual Pumped Storage Power Plant
•
Capacity Expansions
•
Increased of Performance
•
Flexibilization
•
Control Energy (Prim/SEK/MIN)
•
Intelligent Investment
•
Power Plant Optimization
•
Storage Demand Analysis
•
Black Start Services
Future
Energy
Systems
Requires
High Capacities of Energy Storage
Energy
storage
systems
are
the
key
technology
of
future
energy
systems.
From
a
share
of
more
than
40%
of
renewable
energies
in
net
electricity
generation,
the
demand
for
energy
storage
systems
increases
significantly.
This
figure
was
already
exceeded
in
the
German
electricity
market
in
2018.
The
goal
of
the
German
Federal
Government
to
achieve
a
share
of
over
80%
of
renewable
energies
in
electricity
generation
by
2050
requires
a
significant
expansion
of
the
installed
capacity
of
energy
storage
systems
compared to today's storage capacities.
Short-Term and Long-Term
Storage
Energy
storage
systems
can
basically
be
divided
into
short-term
and
long-term
facilities.
Short-term
storage
facilities
such
as
pumped
storage
power
plants
have
been
operating
commercially
on
the
market
for
over
80
years.
The
demand
for
both
types
of
storage
will
increase
significantly
over
the
next
30
years.
The
share
of
long-term
storage
(10h
-
200h
full
load
hours)
will
be
of
decisive
importance
for
achieving
the
goal
of
a
100%
supply
from
renewable
energies.
But
also,
the
share
of
short-term
storage
(<10h
full
load)
will
grow
continuously.
A Turning Point for Energy
Storage
The
turnaround
on
the
energy
storage
market
has
already
begun.
Up
to
now,
it
has
been
possible
to
almost
completely
integrate
renewable
energies
into
the
existing
grid
structures
and
a
conventional
power
plant
fleet
with
ever
greater
flexibility.
The
ever-
decreasing
share
of
conventional
power
plant
capacity,
the
complete
phase-out
of
nuclear
energy
by
2023
and
the
drastic
dismantling
of
lignite
and
hard
coal
capacities
planned
for
the
next
few
years
in
Germany,
will
cause
demand
for
peak-load
power
plants
to
rise
significantly
again.
In
other
words,
the
price
of
electricity
and
with
it
the
price
spread
will
rise
again.
On
the
other
hand,
an
ever-increasing
supply
of
renewable
energies
will
lead
to
ever
more
frequent
periods
of
very
low
and
negative
residual
loads.
The
current
electricity
market
system
therefore
still
reacts
with
negative
electricity
prices
(mid
Europe)
,
as
a
non-negligible
base
load
is
not
or
must
not
be
taken
off
the
grid
for
commercial
and
technical reasons.
Renewables Energies
Energy Storage
Simulations & Analytics
Previous Problem of Profitability
Although
industry,
politics
and
science
have
been
calling
for
the
necessity
of
expanding
energy
storage
for
years,
the
real
market
conditions
for
storage
have
become
increasingly
difficult
since
the
mid-2000s.
In
particular,
the
so-called
price
spread,
the
difference
between
the
high
price
and
the
low
price
on
the
energy
market,
declined
for
many
years.
As
a
result,
some
pumped
storage
power
plants
could
no
longer
be
operated
economically.
For
example,
one
of
the
world's
oldest
commercially
operated
pumped
storage
plants,
the
PSP
Niederwartha
near
Dresden,
has
only
been
in
transition
operation
since
2016.
Various
plans
in
Germany
and
Europe
for
new
construction
projects
were
stopped,
as
economic
viability
could
no
longer
be
proven.
The
reason
for
this
development
was
and
is
the
enormous
oversupply
of
installed
capacity.
The
electricity
price
had
fallen
to
a
historic
low
in
2016.
The
share
of
renewable
energy
rose
to
over
40%
in
2018.
Peak-load
power
plants,
which
in
addition
to
pumped
storage
power
plants
also
included
gas-fired
power
plants,
were
required
less
and
less
due
to
the
large
share
of
renewable
energies.
For
this
reason,
the
installed
capacity
of
conventional
power
plants
was
reduced further and further.
The share of energy storage in the energy market will experience high growth rates in the future
HOME
Change in the Energy System
Energy
systems
around
the
world
are
in
a
phase
of
major
restructuring.
The
long-
term
goal
of
operating
energy
systems
with
a
100%
renewable
energy
supply
requires
a
significant
expansion
of
energy
storage
facilities.
Up
to
a
share
of
approx.
40%
in
electricity
generation,
larger
energy
grids
can
integrate
the
share
of
renewable
energies
almost
completely
into
the
grid
operation
without
the
need
for
significant
storage
capacities.
A
larger
share
of
generation
from
renewable
energies
makes
the
operation
of
energy
storage
facilities
not
only
economically
but
also
technically necessary.
Future generation mix in winter with high storage demand for excess wind power
Future generation mix in summer with high photovoltaic shares