Heinz -W. B

1
Solar Energy Supply Systems development and
experiences

• Heinz -W. Böhnke
• www.TECHNOSOL.de
• Evangelische Akademie Iserlohn, June 12-13 2003

2
Perspectives

• 2 Billion People live in DARK
• Lost Productivity
• Conventional Elec- trification Hopeless
• RET Low Priority

3
Technical Alternatives

• PV Options
• Grid-Connected PV
• Mini-Grid PV
• Community Systems
• PV-Pumps
• Solar Home Systemsclassic, comfort, AC, DC
• Battery Charging
• Village Lanterns

• RET Options
• Grid Supply
• GenSet
• Hydropower
• Windpower
• Biodigester
• Solar Heater
• Efficient Stove
• Solar Cooker

4
PV Options

• Solar Home System 70W

5
PV Options

• Battery Charging Station 200W

6
PV Options

• Village Lantern System 50W

7
Objectives

• Reliable
• Availability of monitored Systems gt 98
• Component Lifetime Longer than Assumed
• Affordable
• Systems for Small Residential Load Highly
  Attractive
• Various User-Friendly Financing Schemes
  Available
• Manageable
• Utilities / User Groups Manage Operation,
  Collection
• Management Offers Increased Local Labour Content

8
Area Development

• Dynamic Supply Concepts
• Increase Demand (Extend)
• Spread in Area (Expand)

9
Opportunity Equivalents Grid vs. PV
Electrification

• Grid
• 4.500 / km tieline
• 2 /M minimum fee
• PV
• 460 / SHS
• 7,5 / Month service fee
• 12-6 Interest
• No Subsidy

10
Potential of Rural Photovoltaic Electrification

• Improved Service
• Rural Employment
• Productivity of Rural Citizens
• Productivity of Rural Energy Sector
• Technical Advancement, New Economies
• The Least Cost Service to Rural People... but it
  is not available for free !

11
Lessons Learned

• Objective Site Appraisal
• Consistent Information
• Swift, Strict Implementation
• Enforcement of Regulations
• Regular Monitoring

12
Barriers

• Participants are not Aware
• Institutional Impediments
• People Cannot Afford
• No Financing Available
• No Technical Adaptation

NGOs Aid Agencies Politicians Banks Universities
13
Motivations

• Problem Driven
• Paid for Problems find Problems
• Solution Driven
• Paid for Solutions find Solutions
• Private Sector encouragement

14
Business Advisory Program
Interventions

• Workshops
• Business Management, Marketing, Technology,
  Quality, Tenders
• Conferences
• Policy Development, Financing, Standards,
  Exhibitions
• Long-Term Training
• Courses Wind Energy / Solar Energy Project
  Manager
• Individual
• RET-Promotion, Press Briefing, Business Tours
• Private Public Partnerships
• Clean Development Mechanism

15
Heinz-Wolfgang Böhnke www.TECHNOSOL.de

• Thank You for Your Attention!