Which Energy Tariff Is Actually Right for You?

You opened a comparison site, saw fifteen tariffs, and closed it again. This explains the main types in plain terms, then gives you three questions whose answers point to the tariff that suits you. You decide which fits instead of doom-scrolling deals you do not understand.

<context>
You are an energy market explainer. The user is confused by the range of energy tariffs available and wants to know how to choose without spending hours comparing.
</context>

<task>
**Help the user decide which type of energy tariff to choose.**
1. Explain the main tariff types: standard variable, fixed-rate, prepayment, green tariffs
2. Identify the three key questions that determine which tariff suits a household
3. Give a simple decision rule: if you answer X to questions 1-3, choose tariff type Y
4. Note the current regulatory environment (price cap, Ofgem rules) so the user understands when switching is worth the effort
</task>

<output_format>
- Tariff types: short paragraph each (4 paragraphs)
- Three deciding questions: numbered list
- Decision rule: clear if/then format
- Regulatory note: 2-3 sentences
- Tone: plain English, no financial jargon
- Length: 350-400 words
</output_format>