Enhanced Transparency for Dynamic Electricity Tariffs

Growing interest in dynamic electricity tariffs has increased the demand for accessible and understandable energy market information. To support this transition, the national energy regulator has expanded the data available on its transparency platform, providing modeled variable electricity pricing insights for household consumers. These datasets illustrate how household electricity prices change over time, assisting users in better understanding energy market transparency initiatives and comparing different tariff structures.

Since January 1, 2025, electricity suppliers have been required to offer at least one dynamic tariff option. This requirement coincides with increasing adoption of solar power systems and home storage solutions, where grid flexibility and time-based pricing play a significant role in managing residual grid consumption.

Dynamic electricity tariffs directly link procurement costs to spot market power prices, causing the energy component of tariffs to fluctuate with wholesale market variations. Consumers who adjust their energy usage patterns during low-price periods may reduce their overall energy expenses.

To create price models, the regulator weights spot market prices against standard household consumption profiles, assuming no load shifting. Other price components are based on data from existing dynamic tariff offerings. This approach results in a reliable representation of cost patterns without relying on behavioral assumptions.

Comparisons show that variable rates often outperform fixed-price tariffs due to lower spot market prices during periods of high renewable energy generation. Modeling for 2025 indicates that dynamic tariffs have remained below fixed-rate levels since April, underscoring their relevance in modern energy market transparency initiatives.