# What does it cost to exhibit at RE Plus 2027 The 2027 rates were unannounced as of 2026年8月23日. The guide says to use the 2026 official base rate as a lower-bound planning assumption: $52 per square foot, discounted as low as $42 per square foot for RE+ Sponsors, SEIA Premium members, and SEPA members. A 10-foot by 10-foot booth was about $5,200, or about $4,200 at the member rate, for space only, with required carpet, furniture, freight handling, electricity, and other services extra. Source: https://www.withexpa.ai/conf/2027/re-plus Page: RE+ 2027（旧Solar Power International）完全ガイド：日本企業のための出展・参加判断 --- Each guide page at https://www.withexpa.ai/conf lists the questions it can answer as complete URLs. Open one exactly as printed; nothing needs to be constructed. `GET https://www.withexpa.ai/llm-query?p=&q=` returns plain text.