- Is Hotrock Energy Research Organization a tax-exempt 501(c)(3)?
- Yes. Hotrock Energy Research Organization is recognised by the IRS as a 501(c)(3) organisation (EIN 47-3849152). The IRS recognised Hotrock Energy Research Organization as tax-exempt in June 2015.
- What is Hotrock Energy Research Organization's EIN?
- Hotrock Energy Research Organization's Employer Identification Number (EIN) is 47-3849152. The EIN was assigned by the IRS in June 2015. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Hotrock Energy Research Organization do?
- Research and development of geothermal systems
- Where is Hotrock Energy Research Organization located?
- Hotrock Energy Research Organization is located at PO Box 31079, Seattle, WA, 98103.
- When was Hotrock Energy Research Organization founded or recognised by the IRS?
- Hotrock Energy Research Organization was recognised by the IRS as a tax-exempt organisation in June 2015. The IRS ruling date is the earliest authoritative date available for most US nonprofits.
- What is Hotrock Energy Research Organization's annual revenue?
- On its most recent Form 990 (fiscal year 2025), Hotrock Energy Research Organization reported $712K in total revenue and $695K in total expenses.
- Has Hotrock Energy Research Organization been auto-revoked by the IRS?
- No. Hotrock Energy Research Organization (EIN 47-3849152) does not appear on the IRS Auto-Revocation List. Givalgo Discover cross-references the IRS Auto-Revocation List on every profile load; if status changes, this page reflects it.
- Is Hotrock Energy Research Organization listed in IRS Publication 78?
- Yes. Hotrock Energy Research Organization is listed in IRS Publication 78 as an organisation eligible to receive tax-deductible charitable contributions. Pub 78 status is the canonical IRS signal that donations to an org are deductible.
