PUMPED STORAGE PLANTS – ESSENTIAL FOR INDIA''S ENERGY
Out of 4.75 GW of pumped storage plants installed in the country, 3.3 GW are working in pumping mode, and about 44.5 GW projects are at various stages of development. TERI''s discussion paper on "Roadmap to India''s 2030 Decarbonization targets", July 2022, emphasizes the
Improving energy efficiency in water supply systems with pump scheduling optimization
Optimal pumping reduces up to 25% of the energy consumption and carbon emissions. • Improving water systems efficiency contribute to sustainable consumption patters. • Using the risk level in the water tanks may be crucial in costs reduction. • Digital water
Variable speed pumped hydro storage: A review of converters, controls and energy management
It is evident that only PHS, CAES and TES are technically and economically viable options for bulk energy storage requirements of the grid due to their high capacity and lower cost of energy storage. Among those options, PHS is technically matured and has a higher lifetime, higher capacity, lower cost of energy storage and a lower operation
Measurement and improvement of the energy efficiency at pumping stations
The model was calibrated for the pumping station of Tarazona de La Mancha (Spain) by measuring hydraulic and electrical parameters for each pump. One of the main aspects to consider when carrying out the energy cost analysis at pumping stations is to estimate the discharge distribution throughout the irrigation season.
Characteristics of coal resources in China and statistical analysis and preventive measures for coal mine
2.2 Coal resources mining characteristicsWith the active promotion of China''s carbon peaking and carbon neutralization work, China''s energy supply has achieved remarkable results and production has grown steadily (Zhang et al 2022; Li 2021).As shown in Fig. 2, the raw coal production of China was 4.13 billion tons in 2021,
Energies | Free Full-Text | Examination of Operational Methods for a Low-Temperature Aquifer Thermal Storage
Aquifer Thermal Energy Storage (ATES) systems are garnering attention as high-efficiency air conditioning technologies that contribute to the realization of a carbon-neutral society. This study focuses on an ATES system constructed in Japan, characterized by its complex geological conditions and thin aquifer layers. Detailed actual performance
Improved implementation strategies to sustain energy saving measures on mine
The paper demonstrates that it may be possible to achieve primary energy savings of 1.6 TWh (13%) in 2030 by implementing financially sustainable energy efficiency measures View full-text Article
Energies | Free Full-Text | Hydrogen Storage and Combustion for
The purpose of this paper was to develop options for protecting mine water pumping stations against the "blackout" phenomenon and to assess their investment
Cost-effective methods for automisation of a mine pumping systems to realise energy
An effective energy storage system (ESS) can capture the full energy savings benefit of regenerative braking and will reduce the peak power usage which incurs high peak power demand charges.
Energy Management in Mining
The mining industry has contributed the largest annual increases in net energy consumption of any industry in Australia over the past 10 years. The average annual growth rate of 5.7% over the 10 years to 2012–131 is not surprising, given the significant increase in production that occurred over that time.
Aquifer underground pumped hydroelectric energy storage
Energy Storage Systems are needed to increase the efficiency of current and future renewable energies, whose production is not always adapted to the demand. In this context, underground pumped
Mine Water for the Generation and Storage of Renewable Energy
Groundwater rebound (flooding) in the Lieres mine. In terms of climate, the average rainfall in Lieres is 950 mm year −1, and the average annual temperature is 13.8 °C. The Thornthwaite evapotranspiration is estimated in 63% of the precipitation, so the annual effective rainfall is about 350 mm.
Measurement and improvement of the energy efficiency at pumping
In order to determine the energy efficiency in the pumping station, MAEEB (Model for Analysis of Energy Efficiency in pumping stations) was utilized (Moreno et al., 2007), using the hydraulic and electric data measured (Section 2.2). Once it was implemented, the energy consumption (kWh) and cost (€ kWh−1) at the pumping station
Adaptive Modification of TBM Tunneling in Coal Mine Roadway
Many mines have introduced the tunnel boring machine (TBM) to improve the efficiency of rock tunneling because of its high propulsion capacity, safe working space, and intelligent equipment. In contrast, the operating environment of coal mines is often under complex geological conditions such as high ground stress, large depth of burial,
Energies | Free Full-Text | Underground Pumped-Storage Hydropower (UPSH) at the Martelange Mine (Belgium): Underground Reservoir Hydraulics
The intermittent nature of most renewable energy sources requires their coupling with an energy storage system, with pumped storage hydropower (PSH) being one popular option. However, PSH cannot always be constructed due to topographic, environmental, and societal constraints, among others. Underground pumped storage
Environmental Sciences Proceedings | Free Full-Text | Energy Optimization of the Pumping Station
One of the options is to optimize the operation of the pumping station. The optimization of the pumping station is multidimensional because it allows you to generate savings in electricity consumption, reduce the occurrence of failures, limit water outflow through network leaks, and secure the water supply to consumers [ 2, 3, 4 ].
(PDF) Novel measurement and verification of irrigation pumping energy conservation measures
Novel measurement and verification of irrigation pumping energy conservation measures under incentive-based programmes September 2018 Journal of Energy in Southern Africa 29(3):10-21
Sustainability | Free Full-Text | Optimal Management of Seasonal Pumped Hydro Storage
In this work, an energy management system (EMS) is developed to optimally manage a grid-connected pumped hydro storage (PHS) for peak shaving. The proposed model incorporates a dynamic economic dispatch (DED) over a study period of one year; hence, a DC power flow analysis considering transmission constraints is
Energies | Free Full-Text | Hydrogen Storage and Combustion for Blackout Protection of Mine Water Pumping
Global warming increases the risk of power outages. Mine water pumping stations pump approximately 100 million m3 of water per year (2023). The cessation of mine water pumping would expose neighboring mines and lower lying areas to flooding. The pumping stations have some containment, but a prolonged shutdown could cause
(PDF) THE MANAGEMENT OF POWER SUPPLY SECURITY OF MINE WATER PUMPING
for energy security and energy self-sufficiency of mine water pumping stat ions in the current 12 economic conditions ( Gawęda, Sajnóg, 2020; Gawęda, Złoty, 2023).
Energy efficiency measures on mine pumping systems — An
The project considered for this article focused specifically on energy efficiency of a mine''s cold water pumping system. The main aim was to match the demand and supply of cold
Safe working hours of drivers in underground coal mine pumping
To read the full-text of this research, you can request a copy directly from the authors. References (17) Abstract Underground coal mine operation should avoid overtime or continuous working hours
Sustainability | Free Full-Text | Pumped Storage Hydropower in
Different types of energy storage are different in response speed, energy density, efficiency, life, and economic cost ( Table 1 ). However, in the actual selection
(PDF) Storing energy in disused mines: comparing pumped water
This paper explores how abandoned mine voids can be utilised for this purpose comparing the technological and economical suitability of two different
(PDF) Mine Water for the Generation and Storage of Renewable Energy: A Hybrid Hydro
underground pumped hydroelectric energy storage systems (UPHS) constitute ef ficient and flexible. alternatives to deal with intermittent renewable energy sources. In this work, a UPHS is
Pumping and mixing solutions for mine water management
9 Product range Product type Name Capacities Heads Pressures Temperatures Sub- mersible J and XJ up to 1''190 m³/h up to 5''440 USgpm up to 200 m up to 754 ft. up to 13 bar up to 190 psi up to 40 C up to 104 F JC and XJC up to 190 m³/h up to 865 Usgpm up
Pumped energy storage system technology and its
The review explores that pumped storage is the most suitable technology for small autonomous island grids and massive energy storage, where the energy efficiency of pumped storage varies in
Energies | Free Full-Text | Underground Pumped
Underground pumped-storage hydropower (UPSH) is a promising technology to manage the electricity production in flat regions. UPSH plants consist of an underground and surface reservoirs. The
High-temperature Pumping of Silicon for Thermal Energy Grid Storage
Highlights. •. This study investigates pumping molten silicon for economical thermal storage of electricity. •. Pumping above 2000 °C using an all graphite infrastructure is possible and was thermally and mechanically successful. •. A compact, simple method successfully metered the pump flow rate above 2000 °C. •.
Pumped storage power stations in China: The past, the present,
The pumped storage power station (PSPS) is a special power source that has flexible operation modes and multiple functions. With the rapid economic development in China, the energy demand and the peak-valley load difference of the power grid are continuing to increase. Moreover, wind power, nuclear power, and other new energy
JMSE | Free Full-Text | Boating
Boating and shipping operations, their associated activities and supporting infrastructure present a potential for environmental impacts. Such impacts include physical changes to bottom substrate and habitats from sources such as anchoring and mooring and vessel groundings, alterations to the physico-chemical properties of the
Evaluating the long-term sustainability of geothermal energy utilization from deep coal mines
Within the realm of green mining construction, a comprehensive suite of sustainable measures comes into play. These encompass the preservation of vital vegetation, the enhancement of energy
(PDF) Guidelines for mine water management
The report describes the guidelines and related good practices for water management in different phases of mining therefore enabling selection of the most appropriate calculation models and
Pumped hydro storage plants: a review | Journal of the Brazilian
Pumped hydro storage plants (PHSP) are considered the most mature large-scale energy storage technology. Although Brazil stands out worldwide in terms of hydroelectric power generation, the use of PHSP in the country is practically nonexistent. Considering the advancement of variable renewable sources in the Brazilian electrical
Energies | Free Full-Text | A Review of Pumped Hydro
Pumped hydro storage systems offer significant benefits in terms of energy storage and management, particularly for integrating renewable energy sources into the grid. However, these
(PDF) Underground heat mine – potential for large scale production and storage of thermal energy
and storage of thermal energy. L Ahonen, J Hietava, K Korhonen, A Martinkauppi, K Piipponen. Geological Survey of Finland, P.O. Box 96 (Vuori miehentie 5), FI-02151 Espoo. Finland. lasse.ahonen
IJERPH | Free Full-Text | Conceptual Modelling of Two Large-Scale Mine Water Geothermal Energy
A conceptual model is presented of two MW-scale low enthalpy mine water geothermal heat pump schemes that are being developed in Tyneside, UK. The otsford Road scheme (54.955° N 1.556° W) is operating (as of May 2021) at 20–30 L/s, abstracting groundwater (and heat) from an unmined Coal Measures Upper Aquifer System (UAS)
Review of Potential Energy Storage in Abandoned Mines in
Hydroelectric Energy Storage. 2.1. Pumped Hydroelectric Energy Storage (PHES) PHES is a conventional technology for storing electrical energy. This storage technol‐ogy dominates the energy
(PDF) Underground Pumped Storage Hydropower Case Studies
To avoid the geographical and topographical prerequisites of the conventional pumped hydro energy storage, the use of underground cavities as water reservoirs allows countries without steep
(PDF) Hydrogen Storage and Combustion for Blackout Protection
All pumping station modernization options include storage of the generated energy in the form of green hydrogen. For Q1 2024 conditions, the option with
Energies | Free Full-Text | Estimating Limits for the Geothermal Energy Potential of Abandoned Underground Coal Mines
Flooded mine workings have good potential as low-enthalpy geothermal resources, which could be used for heating and cooling purposes, thus making use of the mines long after mining activity itself ceases. It would be useful to estimate the scale of the geothermal potential represented by abandoned and flooded underground mines in
