What happens if electricity prices are flat or low all day — does Alva still save money?

Savings vary with price volatility and that's important to be honest about.

Alva LINK's primary savings mechanism is price arbitrage: shifting energy consumption from expensive hours to cheap ones. On days when the spread between the cheapest and most expensive hour is large (which is common in Europe, where the spread can be 5–10x), savings are significant. On days when prices are flat. For example, a mild spring day with steady wind power, there's less to optimize.

What Alva still does on flat-price days

• Solar self-consumption: If you have solar panels, Alva still routes surplus energy to your EV, hot water, or battery instead of exporting it at low feed-in rates or with feed-in tariffs
• Fuse management: Load balancing and overload protection run regardless of pricing
• Weather-predictive heating: Even on cheap days, pre-heating before a cold front arrives is more efficient than reactive heating
• Battery health management: Smart cycling extends battery lifespan regardless of daily prices
• Thermal comfort optimization: Maintaining stable temperatures is more energy-efficient than heating in bursts

The seasonal reality: Electricity markets are highly volatile in winter (November–March) when heating demand is high, daylight is short, and energy production fluctuates. This is when Alva generates the majority of annual savings. Summer months tend to have lower prices and less volatility, meaning less price-shifting opportunity but also lower bills overall. The annual savings figures we quote (€122–€1,350 depending on setup) account for this seasonal variation — they're not cherry-picked from the best winter week.

Long-term trend: As Europe adds more renewable energy, price volatility is expected to increase, not decrease. More solar means cheaper midday prices. More wind means cheaper overnight prices. But calm, cloudy evenings will still produce peaks. The bigger the spread, the more Alva saves. The optimization becomes more valuable over time, not less.