This document summarizes the work of GIZ, the German development agency, in supporting renewable energy projects worldwide. It provides an overview of GIZ's energy projects, which number 137 globally, with the largest shares in Africa, Asia, and Latin America. The document also outlines GIZ's objectives of supporting energy access, grid stability, and climate change mitigation through increased renewable energy capacity and integration. It discusses the challenges and opportunities for scaling up renewable energy in developing countries.
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Scaling up renewable energies
1. Seite 1
- Experiences with high shares of
fluctuating RE in electricity grids -
Granada, April 26, 2016
Jens Burgtorf
Head of Project ‚Technology Cooperation in the Energy Sector‘
Scaling-up Renewable Energies
2. Page 2
GIZ Services in the Energy Sector
Increase of capacity and competence
Provision of current expert knowledge about technology and management
Strengthening sector institutions and key actors
Creation of cost-effective pre-conditions
Assistance in creating supportive political conditions on the national level
Support in the implementation of national renewable energy strategies
Assistance in including the private sector
Support in creating a multi-stakeholder dialogue in the energy sector
Playing the role of a ‘trustworthy agent’ among political institutions, civil society,
the research sector and the business sector
Supporting national and regional political processes
Technical advisory services
Technology transfers and introduction of innovative RE/EE technologies
Planning and implementation of demonstration projects
3. Page 3
GIZ Energy Projects Worldwide
GIZ
worldwide
energy projects: 137
Africa: 30 %
Asia: 27 %
Europe: 12 %
Latin America: 18 %
MENA region: 6 %
Trans-regional: 7 %
Current projects
4. Page 4
Objectives of vRE development in emerging
and developing countries
Security of supply e.g. by reducing import dependence
Cost efficiency / economic benefits from vRE generation
Grid stability
Capacity expansion
Energy access
Climate change
Industrial and innovation policies
5. Seite 5
Drivers and challenges for renewable energy
scale-up (RE)
Current state
Strong demand growth
Partially weak infrastructure
Monopolistic market structure
Striving for cost efficiency and co-benefits (jobs
etc.)
Drivers for renewable energies
Strongly decreasing investment costs
Historically low interest level
Growing number of support initiatives
Price parity in important market segments
(particularly PV ↔ diesel generators)
etc.
Challenges for renewable energies
Historically low fossil fuel prices
Risk of geopolitical conflicts
Partially high financing and transaction costs
Lack of governmental guarantees
Strong interest in rapid capacity deployment
Uncertainty due to power market reforms
Uncertain development of climate finance
6. Seite 6
Global framework conditions for RE have changed in recent years
Market transformation is disruptive and causes structural changes
Developing & emerging economies are embarking on RE “take-off”
phases
Mainstream concepts and methods used in 1st generation RE countries
(GER, ES, US) are no longer appropriate
Sectors with – intended - high shares of vRE require a consistent focus on
(i) Specific national challenges
(ii) Changing international boundary conditions for RE
(iii) Robust cost-benefit analysis for optimal, country specific RE
pathways
RE Outlook – 2016 and beyond
7. Seite 7
• Almost any power system can digest 5%-
10% of vRE fairly easy
• Put “System friendly deployment” at the
center of your strategy
• Follow a system-wide approach for
integration
• Integrate evolving yield prognostics into
system operation from the start
• Avoid Hot Spots
IEA study supports benefits of vRE in 15 case countries
Flagship publication, IEA: The Power of Transformation, April 2014
However, the integraton of larger shares of vRE
require attention to detail
9. Seite 9
The System Perspective
Sustainable
Power System
Does not focus on the specific costs and emissions of a technology or
project per kWh,
but on the total emissions and costs of the power system
10. Seite 10
Boundary conditions for planning markets with
higher shares of vRE
• National Macro-economic perspective needed to guide discussion
• vRE to be integrated into historically grown systems and markets
• Paradigm: Generation is adapted to load -> Unit Comittment
• vRE intermittent & CAPEX dominated / Unit Commitment OPEX
oriented
• Technical Nature of vRE – high geospatial dependency
• Grid Integration a challenge
• Increased cycling from thermal generations [due to unit commitment
constraints] therefore needs attention to detail
11. Seite 11
Boundary condition for planning markets with
higher shares of vRE – cont‘d
• High CAPEX necesitates sound financing conditions
• Market integration a challenge – Regulations and Tariffs needed
• So far, only few tools and methods which can adequately handle the
intermittent nature of vRE
12. Page 12
A systematic approach to vRE assessments
25.04.2016
In order to maximize the Net Benefits of vRE in existing power systems, a
closer look on the following aspects is needed during the planning phase:
• vRE Generation Potential
• Local (regional) and aggregated vRE generation profiles
• Saisonalities of Load and Generation
• Grid Integration
• Grid infrastructure including automation and Grid Code Compliance
• Power Flow, Short Circuit and Stability considerations
• Spinning Reserve Requirements
• Local (regional) Load Profiles and aggregated Load
• Market Integration
• Electricity Market / System Design and organization of energy sector
• Power Park Characteristics (CAPEX, OPEX) and generation alternatives
• Financing
• Risk Premiums for Legal, Country, FX, Regulatory and Procedural Risks
• Interest Rates, Liquidity of Capital Markets
13. Page 13
25.04.2016
• “optimal dispatching solution”
will require increased cycling
from thermal generators
• Important to assess contractual
arrangements
Exemplary dispatch of a summer week in 2018, 2030, 2050
2018 2030 2050
Based on research by DLR
14. Seite 14
Characteristics of Power Systems
Germany Majority of partner countries
Stagnating demand Dynamically growing demand
Highly meshed grid Weak grid and transmission
system infrastructure and
operation
Continuity of service Frequent blackouts
Power exchange Different institutional set-ups
Ability and willingness to
pay
(Energy) poverty
Connect & forget Where, when, & how much
power, which technology?
Mediocre RE resources Excellent RE resources
15. Seite 15
National RE Governance for Optimal Scale-Up
National RE scale-up pathways need to:
• Handle the massive intended volumes efficiently
(by optimizing costs and benefits on project and
system level);
• be country-specific, and
• empower all stakeholders with cutting-edge
planning and implementation capacity
16. Seite 16
Policies for National RE Pathways
• Develop plausible and evidence-based roadmaps to scale-up green
investments
• How much RE should be implemented at which point in time – and
where – to optimize national welfare?
• Formulate an overarching & transparent regulatory framework
• Clarify objectives, regulation, procedures, and responsibilities
• Ensure long-term, legally enforcable contracts for investors
• Best case: back decisions with government guarantees
Active public guidance to private sector RE investments will be
needed to avoid unnecessary losses.
17. Seite 17
Why Policies Matter
Putting the value of RE to the system at the center of the
strategy will reduce (financial) costs:
• A plausible contribution of RE to the system‘s cost-
efficiency and stability will make future harmful changes less
likely, lowering politcal risk
• A plausible RE policy & deployment plan will assure a long-
term market volume for RE, thereby attracting investors
18. Seite 18
Contact:
Jens Burgtorf (jens.burgtorf@giz.de)
Head of Project ‚Technology Cooperation in the Energy Sector‘
Thank you for your attention
20. Seite 20
Integration challenge for higher shares of vRE
The power system and power markets will need to cope with a highly
fluctuating power production from wind and solar [Case for Germany]
22. Seite 22
The Evolution of German RE Policies
1st Generation (early
1990s)
Objective: R&D,
technology
demonstration, initial
diffusion to citiziens
Instruments: „1000
roofs programme“ &
„100 000 roofs
programme“
Subsidies initially paid
up front against kWp
(capacity)
2nd Generation (2000s)
Objective:
Technologies (especially
PV) mature, but
expensive thus, focus
lies on bringing down
costs via Economies of
Scale (EoS)
Instrument:
Renewable-Energy-Act
(EEG) with incentive
paid against „kWh
results“ (energy yield)
3rd Generation (current)
Objective: Massive and
cost-efficient integration
of RE into national and
EU power systems.
Instrument: Intelligent,
evolving and cost-
benefit optimized bundle
of market-based
incentives and
regulatory measures
Policies that have been adjusted to boundary
conditions and national priorities
(t)
Technical feasibility Reduced costs System Perspective: Low cost at high value