2007年-世界发展银行全球_Incorporating_Energy_Cycle_Externality_Costs_and_Benefits_in_Indias_Power_System_Planning_Mechanisms_51页_607kb

Summary of "Incorporating Energy Cycle Externality Costs and Benefits in India's Power System Planning Mechanisms"

Core Content

The document explores the challenges and opportunities for incorporating environmental externalities into India's power system planning mechanisms. It highlights the environmental and economic consequences of current power generation practices, particularly the reliance on coal and the impact of hydropower projects on forest resources. The paper also evaluates the effectiveness of various methods to internalize these externalities, including adders, emission standards, and economic instruments such as taxes and tradable emission schemes.

Main Viewpoints

1. Environmental Impact of Power Generation

• The power sector is a critical driver of India's economic development but has historically neglected environmental consequences.
• Coal-fired generation is expected to dominate future capacity additions, contributing to air, land, and water pollution, as well as climate change.
• Hydropower projects have significant environmental costs, primarily due to the loss of forest resources, and are subject to the "polluter pays" principle as mandated by the Supreme Court.

2. Current Planning Framework

• The Central Electricity Authority (CEA) is responsible for overall sector planning, but actual planning decisions are made at the state level.
• The State Electricity Boards (SEBs), or their successors, are the primary electricity purchasers and planners.
• Current planning processes are based solely on financial costs, with no consideration for external environmental costs.

3. Internalizing Environmental Externalities

• Direct methods (e.g., tighter emission standards, economic instruments) are more effective in internalizing environmental costs than indirect methods (e.g., adders).
• Economic instruments such as environmental taxes, emission fees, and tradable emission schemes are seen as more cost-effective than the traditional command and control approach.
• However, the implementation of such instruments is constrained by political will, monitoring capabilities, and administrative capacity.

4. Challenges and Limitations

• Adders are unlikely to be feasible or effective due to the lack of a centralized planning mechanism and the potential for inconsistent application.
• Tightening emission standards may not be effective unless existing standards are first fully complied with.
• Environmental taxes are politically difficult to implement and may not directly incentivize emission reductions.
• Emissions trading schemes are not currently feasible in India due to a lack of monitoring and enforcement mechanisms.

Key Recommendations

• Push for power sector reform: Reforms such as real tariff increases, reducing technical losses, improving thermal plant efficiency, and reforming the tariff structure can yield significant environmental benefits.
• Price fuels at their economic cost: Removing subsidies and cross-subsidies can help internalize environmental costs and reduce demand for polluting energy sources.
• Use external cost estimates: These should be incorporated at both strategic and regulatory levels to guide planning and set standards.
• Improve compliance feasibility assessments: Better understanding of what technologies and practices can be implemented under new regulations is essential for their success.
• Address resettlement and rehabilitation issues: These are critical for hydropower projects and require institutional capability, timely consultations, and effective monitoring.

Conclusion

The paper concludes that while the internalization of environmental externalities is crucial for sustainable power development in India, the current institutional and financial framework is not well-suited for this. The focus should be on sector reform, fuel pricing, and compliance with existing standards before considering more complex instruments. The polluter pays principle should be extended beyond hydropower to all power generation sources, and environmental taxes and emission fees should be considered as viable options, provided the necessary monitoring and enforcement mechanisms are in place.