1. Rafael Herzberg rafael@interact-energia.com.br
Energy Management for Industrial and Commercial Users
Metering
Analysis
Well Informed Decisions
Rafael Herzberg

2. Rafael Herzberg Engo Eletricista sócio Interact Ltda.
Construções Elétricas Eltec S/A (76 a 92) * (US$ 15MM/ano, 150 funcionários, fabricante material elétrico - líder de mercado) * A partir de 87 foi seu presidente
Trabalhos publicados BR, USA e UK
Conselheiro SARP (Sociedade Amigos Rivieira Paulista) * Serviu como seu presidente por 1 gestão
2/24/2019

3. Interact’s 21 year experience
10 years “inside the fence”  “shared savings” contracts
4 years with Alliant Energy (Iowa, US)  “to the fence power projects”
21 years consulting services (upper management)  Energy contracting  On-site generation & cogen  Energy savings
2003 Savings Highlights:  Nextel (MSO/SP) % - R$ 350 K/year(*)  Proceda (CENESP) % - R$ 360 K/year (*)  BCP (HDQT) Expected % (*)
2/24/2019

4. What’s at stake from the C&I prospective?
Availability and prices of energy from the grid?
Reliability?
On-site energy (generation & cogeneration) options?
2/24/2019

5. kW and kWH, TOU (peak, off-peak)
Energy, kWH = ∫ d(t)dt kW
Demand, kW = Máx {1/ΔT ∫ d(t)dt}
Peak
d(t)
ΔT (usually ¼ Hour)
24 H
2/24/2019

6. Energy cost or energy price?
internal
external
Verticalize or outsource production
New product mix
New technologies
Market (energy alternatives)
Business expectations
Perceived Risks (supply)
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7. Free & Captive Genco Disco Energy User Competitive, kWH
Regulated kW and kWH
Transmission
Disco
Regulated, kW
Energy User
2/24/2019

8. Well informed decisions, by comparison!
Option #
1 - Sub
2 - Gen
3 - Cogen
4 – S+G+C
5 - S+C
6 - S+G
7 - G+C
Investment, US$ MM
-2.0
-0.9
-5.0
-7.9
-7.0
-2.9
-5.9
Cash flow, US$ M/year
0.52
0.12
1.35
1.61
1.47
Simple pay back, yers
4.2
8.6
4.0
5.5
4.8
6.4
4.4
2/24/2019

9. Wireless system: great help!
CLIENT
Interface
Energy Meter
Telecom Co.
Wireless
E-Consulting
via www
2/24/2019

10. Case Hofmann –32% cost reduction
UPS !
Ponta
Expected
2/24/2019

11. Case Casa de Cultura 23% cost reduction
Ups!
Dc 50 kW
Dr 150 kW
2/24/2019

12. Antenna shelter (telecom company)
Temperature sensitive
On-peak
F i xed
2/24/2019

13. Energy Management: Value Added Service
Disco’s to offer VAS  As opposed to confronting energy users, otherwise competition (IPP’s, traders, brokers, other discos) will do it!
Higher revenues & client satisfaction:  It’s a win-win situation!
2/24/2019

14. Thanks! We have a couple of minutes left!
It’s time to take your questions now!
2/24/2019