Duck Season is Open!! Sonny Vidovic. M.Sc., P.E. Uros Milovancevic, - - PowerPoint PPT Presentation

▶

Aug 22, 2022 500 likes •648 views

Duck Season is Open!! Sonny Vidovic. M.Sc., P.E. Uros Milovancevic, PhD Milos Vasic, M.Sc. For many decades, ENERGY DEMAND followed an easily predictable pattern, with very little change in levels of demand on the grid. In February, 2009,

SLIDE 1

Duck Season is Open!!

Sonny Vidovic. M.Sc., P.E. Uros Milovancevic, PhD Milos Vasic, M.Sc.

SLIDE 2

SLIDE 3

For many decades, ENERGY DEMAND followed an easily predictable pattern, with very little change in levels of demand on the grid.

SLIDE 4

In February, 2009, President Obama called for doubling renewable energy within the following three years.. Renewable energy reached a major milestone in the first quarter of 2011, when it contributed 11.7 % of total national energy production

SLIDE 5

Suddenly, a new image appeared on the ENERGY DEMAND charts.

THE DUCK CURVE!

SLIDE 6

The Problem Lies in the Belly!!!

Low demand forces grid operators to turn off peaker power

plants and ramp down baseline power plants

Then, a few hours later, they all have to ramp up again with little

to no warning

SLIDE 7

During sudden and steep changes in demand, Grid

perators and regulators

struggle to maintain stability and efficiency by turning power plants on and off resulting in:

instability in the power

supply

large expense to

taxpayers

increased pollution to the

environment.

SLIDE 8

Power Supply > Demand = Overgeneration Peak Load Demand

While not meeting peak load is a problem, equally concerning is
vergeneration.
Without intervention, generators and certain motors connected to

the grid will increase rotational speed, which can cause significant damage to equipment.

SLIDE 9

Balancing supply with demand, by increasing and

reducing output is becoming an impossible task.

Global Industries must focus on the development of

new fast-reacting resources or energy storages.

SLIDE 10

Some ideas that are already engaged are:

Installing more dispatchable generation,

like interconnections between states

Energy Storage
Energy Demand Management

SLIDE 11

Energy Storage:

Pumped-storage hydroelectricity.
Battery storage power stations.
Solar thermal energy with Thermal

energy storage

Ice storage air conditioning.
Use of batteries in electric vehicles

for temporary storage.

SLIDE 12

Energy Demand Management

Transitioning to more efficient lighting systems,

LED lighting.

Time of-use-pricing
Smart grid technology
Air conditioning is ~½ of US peak demand, so

changing this from “as-used load” to a scheduled/controlled load is a huge opportunity.

It basically amounts to finding lots of little ways

that customers can shift their demand, aggregating all those customers together, and treating the sum of their demand-shifting capacity as dispatchable power.

SLIDE 13