cariacom meeting hybrid plants in the caribbean 2 hybridisation of diesel –powered isolated grids...

Instrumentation, Controls & Electrical Restricted © Siemens AG 2015 All rights reserved.

CARIACOM Meeting

Hybrid Plants in the Caribbean Torsten Wetzel / Hamburg / March 2015

Unrestricted © Siemens AG 2015 All rights reserved.

Torsten Wetzel / Siemens HYBRIDISATION OF DIESEL–POWERED ISOLATED GRIDS

Changing Markets:

Opposing trends, new opportunities

Challenges of fuel based generation

Logistics Emissions

Fuel costs Weak / no grids

Shift in technology

RE systems

Oil

Time

Generation

Cost

Today

Hybrid

power

plants



What is a hybrid diesel plant?

Wind Plant

Diesel Gensets

Industrial

Load

Residential

Load

PV Plant

Storage

Plant

Control Center



Does high renewable penetration make sense?

Ideal conditions Low irradiation Medium irradiation

Load

Medium penetration system

Load

High penetration system



Hybrid Plant Layout Example, Las Terrenas (Dominican Republic)

A new hybrid layout in the Dominican Republic

can yield significant cost advantages

Y1: 2.9 mio. liters

Y10: 4.6 mio. liters

Y20: 5.7 mio. liters

LCoE optimized generation configuration

Control

System

PV

6,75 MW

Battery

~500 kWh

Operations

Diesel Gensets

~9.5 MW

Annual Demand*

Y1: 29 GWh

Y10: 49 GWh

Y20: 70 GWh

Solution considers growth in demand

Results includes future expansion

costs

Hybridization will continue to be

profitable with growing demand

Future demand is important ! Diesel Savings with growing demand

Average saving

over 20 years:

-27 %

operation costs

* = Adopted growth model: 5-7% from Y1 to Y10; 3-4% from Y11 to Y20

Fuel is the main source for savings



Fuel and OPEX breakdown, Las Terrenas

Hybridization will yield OPEX and fuel costs

decreases

0,00

0,05

0,10

0,15

0,20

0,25

0,30

0,35

Diesel

0,325

-27%

Hybrid

0,239

US

D/k

Wh

Fuel OPEX

Las Terrenas 20y operational cost In the real project example a

hybridization can yield up to

27% savings in operation

costs compared to a diesel

only scenario

- 17% reduction in OPEX

- 29% reduction in fuel costs

Next to financial aspects, the

environmental impact can

also be reduced

- Concretely CO2 emissions

should be reduced by at

least 30% (7,000 tons/ year)



Excellence in design, execution and technology

Siemens Hybrid Power Solutions

Comprehensive sustainable design and execution

Project

execution

Service &

maintenance

Grid stability &

power quality

Analysis &

sizing



Turnkey solutions

backed by

performance

guarantees

Benefits from a world class turnkey supplier

Solutions covering the complete scope 1

Flexible integration of all assets 2

Worldwide experience in turnkey implementation 3

Financial strength 4

Credibility to attract financial partners 5



Published by and Copyright 2015:

Siemens AG

Torsten Wetzel

Business Development

Phone: +49 (174) 2475966

Email: [email protected]

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cariacom meeting hybrid plants in the caribbean 2 hybridisation of diesel –powered isolated grids...

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