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Energy Efficiency Measures in Moldovan Utilities

This document reviews energy efficiency measures implemented in Moldovan utilities under the National Water Supply and Sanitation Project (NWSSP). From energy audits conducted in urban and rural areas to the application of recommendations, the outcomes showcased significant reductions in electricity consumption—up to 68%. It also highlights the challenges faced, including the use of outdated equipment, limited capacities, and political instability. The project, with a total value of USD 12.8 million, aims to improve water affordability, reduce greenhouse gas emissions, and promote sustainable resource management.

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Energy Efficiency Measures in Moldovan Utilities

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  1. Energy Efficiency Measures in Moldovan Utilities GUTU SERGIU, May 08, 2014

  2. Content: • Why Energy Efficiency? • Performing Energy Audit • Putting in practice Energy Audit recommendations • Outcomes • Next steps

  3. National Water Supply and Sanitation Project (NWSSP) Urban Component: Balți, Cahul, Orhei, Floresti, Ungheni, Causeni. Rural Component: Valeni, Colibasi, Sarata-Noua, Bestemac, Pirita, Dubasarii Vechi, Navirnet, Sanatauca, Zahorna.

  4. NWSSP Components: Total Project Value: USD 12,8mln. World Bank loan Implementation Period: FY 2009- 2013

  5. Why Energy Efficiency? • WU use old and energy intensive equipment • Electricity consumption reaches over 28-35% of WU’s Operational Costs • Moldova is a Net Importer of energy from unstable markets

  6. Main stages:

  7. Methodologyunder Energy Audit: • Flow measurements at all water sources, all water and sewage pumping stations. • Outflow measurements of individual water and sewage pumps • Energy consumption of individual pumps and air blower • Team used pressure measurements equipment in order to evaluate actual performance of pumps and pressure piping • Acoustic leak detection using correlatorhas been performed

  8. Consultant prepared the following submittals, (Dec, 2011): • BoQ and Cost estimate for Goods, Works and associated services • Technical Specifications for Goods and Works within proposed Energy Management Program (EMP) • EMP schedule of implementation

  9. Solutions applied in Balticity Before After

  10. Outcomes: -42% -50% -35% -68%

  11. Outcomes:Electricity Consumption reduced by: Total investment: 1,1 mlnUSD; Total Savings: 0,3mlnUSD/year; Payback period 3,7 years; kWh/year

  12. Other benefits: • Industrial productivity and competitiveness • Poverty alleviation: Water affordability and access • Reduced GHG emissions • Sustainable Natural resource management • Development goals

  13. Complications: • WUs are still using energy intensive equipment, and obsolete distribution system • Given limited human, and technical capacity WUs are not able without foreign assistance to replicate Energy Efficiency • Political instability, and multiple elections (two local elections; three parliamentary elections; one referendum) • Socially oriented tariffs inhibit development • Limited borrowing capacity of WUs and local municipalities

  14. Next steps: • Further extension of energy efficiency programs • Continuous building of institutional capacity • Regional development in the water sector

  15. THANK YOU! Gutu Sergiu sgutu@water.md

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