Dynamic electricity tariffs
Dynamic electricity tariffs in the SpeicherCampus context: can be exploited with storage, but require control. Technically, the term is usually described as time-variable energy prices.
What does dynamic electricity tariffs mean?
Dynamic electricity tariffs tie the power price to the exchange — usually hourly to the day-ahead market. The price then moves with wind, sun and demand: often very cheap at midday PV surplus, expensive in the evening hours, occasionally even negative.
For storage they open an additional earnings layer: charge cheap, consume expensive. The prerequisite is an EMS that can receive price signals and translate them into charging decisions — this cannot be operated manually.
What matters in practice
- the spread counts: only clear price differences carry the cycle and loss costs
- clarify the EMS connection to the tariff/price data provider (API, Modbus, cloud)
- prioritize cleanly against PV logic — self-consumption usually stays first
- extra cycles cost lifetime: check against the cycle budget
Practical example
A business on a dynamic tariff charges its storage on windy nights at 8 ct/kWh, displacing morning purchases at 26 ct. On strong PV days, classic surplus shifting stays active — the EMS picks the better strategy daily.
The SpeicherCampus perspective
SpeicherCampus plans storage tariff-ready: open control today, price-signal logic switchable on as soon as the customer’s tariff and spread support it.