The energy situation in the Baltic countries is indeed tense and could indirectly affect the rest of Europe. Estonia relies on unstable energy sources, and when costs rise there, it impacts overall European markets - demand for alternative sources grows, tariffs go up everywhere. That said, if we're talking about direct impact on Russia, it's not really that direct, because Estonia has been diversifying its energy sources for a while now and reducing dependence on a single supplier.
For Russian consumers, this could have an indirect effect - through rising costs of imported goods and services, if energy expenses get baked into the price of European products we buy. But locally we have our own energy sector, our own problems, our own tariffs, so we shouldn't expect any sharp spike in heating costs in Russia from what's happening in Estonia.
Here's the thing though: when people look at Estonia, they often focus on current price spikes but miss the fact that there are already long-term investments underway there in renewable sources and more independent energy infrastructure. So it's short-term pain, not a permanent problem. What's more important is to watch how the global energy market develops overall - that's what could really hit all of us come winter.