“Adapting to the UK energy market as a

responsible & reliable large electricity user”

Ben Burggraaf – Energy Operations Manager

Water & waste water service provider

—Supply 3 million people

(~1 million households)

—A “not for profit” utility company

– All gains go to benefit customers

– Reducing bills

– Providing social tariffs

– Accelerated investment

“Earn the trust of our customer, every day”

,

The income we receive from 100,000 households

does nothing other than pay for electricity

Energy management facts

—Large energy user

– 4,100 sites

– 460 GWh’s per year

—Green energy generator

– 56 sites

– 97 GWh’s per year

– Multiple technologies

• Hydro generation

• Solar generation

• Wind generation

• Anaerobic digestion (gas to grid, CHP)

kW capacity

501 +

101 - 500

0 - 50

51 - 100

Status

Renewable Energy Generation Sites

Strata Florida

Llys y Fran Res

Maerdy

Crai

Preseli WTW

Llwyn-on

Nash

Swansea

Cefn Dryscoed

Eign

CardiffAfan

Llanfoist

Lliedi

Ponsticill

Penycefn

Eithinfynydd

Ffynon Lugwi

Brenig

Queensferry

Kinmel Bay

Usk

Cilfynydd

Glaslyn

Cog Moors

Talybont

Dol y Mynach

Bolton Hill

Hydro – in delivery

Hydro - Live

Wind – planning/delivery

Solar PV - Live

Digestion CHP or AD - live

Biomass heating – Live

Hydro – in feasibility / design

Solar PV – planning / delivery

Elan Valley

Builth Wells

CarnoHirwaunNantybwch

Glascoed

Llangefni

Gaerwen

Dolbenmaen

Alaw

Court FarmWentwood

Sluvad

Ponthir

Bontgoch

Llanina

Alwen

Mynydd Llandegai

Penthir Res

Llyn Celyn

Cwmorthin

Ffestiniog

Claerwen River

Llyn Brianne

Cowlyd

Five Fords

Memorial

Wind – in feasibility / design

Ty Awen

Tyn y Waun

28/04/16

Biomethane to grid - Live

Felindre

Cwmtillery

Wind – Live

Secu

rity

of

Su

pp

ly

En

erg

y P

rice

Our integrated approach

Process needs

(Renewable) Generation

Energy Storage

Energy Demand

Management

Energy Efficiency

Customer needs

Electricity supply

margin

Changing

generation mixTRIAD costs

Energy Market

Reform

Distribution costs

Voltage

harmonisation

UK

pe

ak d

em

an

d

2012

UK

ge

ne

ration

30

% s

urp

lus

NOW

97 GW

67 GW

UK

pe

ak d

em

an

d

UK

ge

ne

ration

<5

% s

urp

lus

Our Integrated approach

Five Fords Waste Water Energy Park

Biogas Upgrade

Plant (membrane)Grid Entry Unit

Propane

Plant

Gas holder

Digesters

CHP

Gas

clean

upDigester

G

A

S

G

R

I

D

THPE

L

E

C

T

R

I

C

I

T

Y

G

R

I

D

Gas

injectionBio-

methane

300

l/s

Ra

w s

ew

ag

e (3

00

l/s)

River Dee

propane

300

l/s

Boiler

0.5 – 1 MW

Wind

2.5 - 5 MW Solar PV

CHP

FIVE

FORDS

WWTW

Sludge

imports

Heat

Battery?

Current activities

— Generate more – Increasing output to 140 GWh’s per year

— Continue to use less – Invest in energy efficient equipment

– Behavioural efficiency program — Demand management

– Avoid TRIAD’s & peak tariff periods

– Roll out of frequency response technology

– Participating in DSBR and Demand Turn Up — Flexible electricity supply contract

– Resilient to government policy changes

– Transparent 3rd party charges

Ynni

Employee Engagement – three simple actions:

“if we all save a little, no-one has to save a lot”

Switch of your

computer when

you finish work

Buy energy

efficient, when

replacing

equipment

Consume less

especially

16:00 – 19:30

Our future plans beyond 2020

—Generate even more

– Increase resilience

– Move towards self-sufficiency in power

—Continue to use less

– Invest in energy efficient equipment

– Build energy efficiency into everything we do

—Storing energy

– Roll out of battery technology

—Active demand management

– Minimise costs at peak UK demands

– Maximising revenue from curtailable demand

Ynni

Conclusion

Final thought

—The UK electricity market is changing rapidly

—To control energy costs we need to:

– Realise that the market is changing rapidly

– Create an integrated approach

– Start actively participating in the market

– Have a flexible supply contract

– Act as a responsible & reliably consumer

to ensure that our customers aren’t impacted by the changing market

Trust