While you are specifically looking for 2017 versions, it is critical to use the required by the system, as reporting with outdated major versions (e.g., trying to use a 1.x version when 2.x is required) will lead to rejection.
For local reporting (e.g., utilities, medicine, transportation), templates are often hosted on the websites of regional tariff committees (REC or GKC). For example: skachat shablony eias 2017
Tariff Committee of Tatarstan lists various federal and regional forms for different industries. EIAS template extension - Chrome Web Store While you are specifically looking for 2017 versions,