scholarly journals Economic Feasibility of Agricultural Biogas Production by Farms in Ukraine

Energies ◽  
2021 ◽  
Vol 15 (1) ◽  
pp. 87
Author(s):  
Galyna Trypolska ◽  
Sergii Kyryziuk ◽  
Vitaliy Krupin ◽  
Adam Wąs ◽  
Roman Podolets
Keyword(s):  
Biogas Production ◽  
Agricultural Waste ◽  
Energy Generation ◽  
Two Dimensions ◽  
State Regulation ◽  
Economic Feasibility ◽  
Special Focus ◽  
Renewable Energy Generation ◽  
Installed Capacity ◽  
Feed In Tariff

Renewable energy generation in Ukraine is developing slower than state strategies and expectations, with the installations for energy generation based on biogas currently being among the lowest in terms of installed capacity. Most of those involved in energy generation from agricultural biogas are large enterprises, while the small and medium-sized farms are far less involved. Thus the article aims to assess the economic feasibility of biogas production from agricultural waste by specific farm types and sizes, with a special focus on small and medium-sized farms. The research results present findings in two dimensions, first defining the economic feasibility of biogas installations in Ukraine based on investment costs and the rate of return at both the current and potential feed-in tariff, and second, analyzing the influence of state regulation and support on the economic feasibility of agricultural biogas production in Ukraine. The results emphasize that the construction of small generation capacities does not provide sufficient funds under the current feed-in tariff to meet the simple return period expected by the domestic financing institutions. Except for the general support programs for agricultural activities, there are no support funds specifically for biogas producers, while there is tight competition with wind and solar energy due to diversified feed-in tariffs.

scholarly journals Case Study of Residential PV Power and Battery Storage with the Danish Flexible Pricing Scheme

Energies ◽  
2019 ◽  
Vol 12 (5) ◽  
pp. 799
Author(s):  
Jacob Nørgaard ◽  
Tamás Kerekes ◽  
Dezso Séra
Keyword(s):  
Renewable Energy ◽  
Flow Simulation ◽  
Energy Generation ◽  
Optimal Operation ◽  
Economic Feasibility ◽  
Storage Unit ◽  
Pricing Scheme ◽  
Renewable Energy Generation ◽  
And Control

The economic viability of renewable energy generation is vital for sustainability. Ensuring that optimal operation is always achieved, using energy management systems and control algorithms, is essential in this endeavor. Here, a new real-time pricing scheme, the Danish flexible pricing scheme, illustrates how residential PV and battery systems can optimize the electricity bill of households, without changing consumption behavior or providing grid services in exchange. This means that the only addition is PV production, storage, and control. A case study is constructed from Danish household consumption data, irradiance measurements, and recorded spot prices. With the input data, the pricing scheme, and the energy flow, simulation models are computed in MATLAB, thereby validating the algorithmic potential and finding the best strategy for charging and discharging the energy storage unit. Different methods are compared to list the viable options and evaluate them, based on the economic feasibility for the household. Furthermore, a discussion of the system implementation is also included to highlight technical difficulties, co-integration opportunities, short-comings, and advantages present in the case study. In conclusion, it is possible to make renewable energy generation, and storage, viable for a Danish residential household under the new pricing scheme.

scholarly journals Anaerobic Digestion of Biomass for production of Biogas: Progress and Advantages

2020 ◽  
Vol 6 (5) ◽  
pp. 108-111
Author(s):  
Kumar Gaurav
Keyword(s):  
Renewable Energy ◽  
Anaerobic Digestion ◽  
Fossil Fuels ◽  
Biogas Production ◽  
Energy Requirement ◽  
Renewable Energy Sources ◽  
Agricultural Waste ◽  
Energy Generation ◽  
Primary Energy ◽  
Energy Sources

A major share of world’s primary energy requirement is dependent on fossil fuels which is not only a non renewable source of energy and on the verge of extinction but also associated with serious environmental concerns. To combat these issues, alternative renewable energy sources are required. Certain examples of renewable energy sources are solar energy, wind energy, hydro and thermal energy, biofuels etc. Biomass is one such alternative which is freely and abundantly available. It is mainly the agricultural waste and vegetable waste which are perishable and create a lot of nuisance. Tapping this biomass for energy production will be beneficial in two ways; it will be an excellent source of energy generation and it will also help in waste management for environment protection. Energy generation from Biomass can take place either chemically or thermo-chemically. In the present paper advantages of anaerobic digestion of biomass are discussed for biogas production.

Planning the Electrification of Rural Villages in East Nusa Tenggara Using Renewable Energy Generation

2018 ◽  
Vol 1 (1) ◽  
pp. 5-21
Author(s):  
Jannata Giwangkara ◽  
Bart Van Campen
Keyword(s):  
Renewable Energy ◽  
Energy Resource ◽  
Energy Generation ◽  
Economic Feasibility ◽  
Rural Electrification ◽  
Solar Pv ◽  
Rural Villages ◽  
Energy Technologies ◽  
Renewable Energy Generation ◽  
The Impact

Providing accessible, affordable and renewable electricity to rural areas in developing countries like Indonesia, is arguably challenging. The higher initial cost of renewable, as compared to conventional energy technologies, is often viewed as an obstacle in the rural electrification decision-making process. This study is conducted to examine the techno-economic feasibility of renewable energy generation options to bring electricity to the rural villages in Indonesia with Belu Regency, East Nusa Tenggara (ENT) as a case study. In this study, three village electrification scenarios were generated: basic (with the demand load of 150,5 kWh/day), moderate (359,9 kWh/day) and advanced electrification (579 kWh/day). To supply the load, three energy technologies were compared: conventional technology (diesel-powered); renewables technology (solar PV, and wind turbines); and hybrid technology (combination of diesel, solar PV and wind). The Hybrid Optimization of Multiple Energy Resource (HOMER) software was selected to model the best-optimised system configuration for the scenarios with defined constraints and sensitivity analysis. The study also investigates the impact and benefit of each system on the environment, specifically on CO2 emissions and pricing options. The results found that the renewable energy village-grid system (mostly powered by solar PV) is more competitive than the diesel-powered system in all scenarios. The levelized cost of energy (LCOE) of renewable energy system for each scenario is 0,66 USD/kWh (basic), 0,74 USD/kWh (moderate) and 0,55 USD/kWh (advance) respectively. This preliminary study concludes that rural electrification with renewables is a feasible option for a generic, modeled village in ENT. More, specific case research would be needed. JEL Classification: Q42, Q54Keywords: East Nusa Tenggara, electrification planning, HOMER, LCOE, renewable energy, rural electrification.

Sign in / Sign up

Export Citation Format

Share Document