Mining cryptocurrencies puts a lot of strain on machinery and requires a lot of energy. Large farms pay hundreds of thousands and millions of roubles a month for electricity. During the period of falling cryptocurrency prices, many users are unable to cover their expenses through mining. Participants who managed to optimize processes remain on the market. Those who use cheap electricity for mining earn money. In the article we will tell you how to reduce costs and increase the profitability of the business. Much depends on the choice of region (tariffs in Russian cities differ). Some miners invest in alternative energy sources – solar panels and wind generators.
Average electricity consumption by a mining farm
In 2023, users use asics and video cards for mathematical calculations. Bitcoin can only be mined on ASICs, altcoins also on GPUs. Paying energy bills is a major expense when operating a mining farm. Consumption is made up of components such as:
- Computer to manage the process – up to 1 kWh.
- Video cards (rig 6 pcs) – 0.6-2 kWh, asic – 1-5 kWh (for one miner).
- Cooling system – 1 kWh (4 fans) or 1-3 kWh (if using air conditioner).
To earn $20-30 per day, miners connect from 30 video cards (25.5 kWh), or from 2 asics (6-7 kWh). It is not economically feasible to use air conditioners. Coolers are more often used for cooling equipment.
Thus, a small home farm consumes from 4.5 to 18.5 thousand kW per month.
To reduce electricity costs, miners carry out downvolting (reduce the maximum supply voltage). This reduces the hash rate. Therefore, farm owners are looking for the optimal value, at which the performance does not suffer much. Such a setting can reduce costs by 20-30%.
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Entrepreneurs organize a business on mining – buy powerful equipment and install it in separate premises. Warehouse buildings, garages or factories are equipped with powerful heat dissipation and power cables. It is considered that at a consumption of more than 15 kW/hour, industrial mining of cryptocurrencies begins. Large farms consist of 100 or more asics and consume from 216 thousand kW per month.
The cheapest electricity in Russia
Electricity prices differ in different regions of the Russian Federation. Actual values for categories of users are published on the websites of power supply companies. Moreover, the cost also depends on the type of settlement – in rural areas the tariff is 30% lower than in cities or towns. The table contains data on cities with cheap electricity for mining. The tariffs are valid from December 1, 2022.
City | Price per kWh (in rubles) |
---|---|
Legal entities can participate in local subsidy programs or conclude an agreement with a sales company for wholesale electricity supply (for a year or more). The offer is valid for entrepreneurs with large farms. The main requirement for obtaining electricity at wholesale prices is the total capacity of equipment of at least 20,000 kW and the construction of their own infrastructure (equipment for measuring and metering, server and communication channels with the regulator).
It will take about a year to enter the market under such conditions. But then you can save on bills from 1 million rubles a month.
Alternative energy sources
According to Cambridge University, the world spends 120-150 TW per year on crypto mining. This is comparable to the needs of a small country – for example, Denmark or the Netherlands. In addition, the use of traditional energy sources harms the environment.
Scientists believe that because of mining in the next 10 years, the temperature of the environment on the planet will increase by 2 degrees. Therefore, users are looking for alternative energy sources.
Solar panels and wind generators are inexhaustible and do not pollute the environment. There is another advantage – they generate free electricity for mining. This way, miners can save on costs.
Solar panels
This is a popular type of alternative energy. However, the technology has significant disadvantages:
- Dependence on the weather.
- Expensive equipment.
- Difficulty of utilization of photocells (they contain toxic substances).
Annual generation of electricity from solar panels does not exceed 2% of global consumption. This type of energy is popular in countries with high tariffs. For example, in Israel, a panel installed on the roof of a house can provide 80% of the residents’ needs. In the DPRK, Germany, UK, USA, France, and Germany, 30% of homeowners use solar panels.
In Russia, this is unjustified due to the high cost of equipment, the small number of sunny days per year and cheap electricity. For example, one Bitmain Antminer S9 asic with 13.6 TH/s performance consumes 988 kW per month and brings $680 per year, assuming 24/7 operation. Solar power requires panels, batteries, protection, controllers. Installation to power one ASIC will cost $10-12k.
Author: Saifedean Ammous, an expert in cryptocurrency economics.