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Watttime Corporation

EIN 47-1444637 · Oakland, CA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthWeak29 out of 100GovernanceStrong93 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

TO RAISE AWARENESS ABOUT THE POTENTIAL TO REDUCE ENVIRONMENTAL HARM BY SHIFTING ELECTRICITY USE TO PARTICULAR TIMES; TO ENCOURAGE THE DEVELOPMENT AND SPREAD OF COMMON PROTOCOLS FOR THIS PRACTICE.

Income
$16.4 million
Spending
$18.1 million
Spent on programs
90%
Reserves
-2.4 months of spending
Largest source of income
donations and private grants, 81%
Employees
38
Volunteers
10
Highest pay
$292,631, software eng

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Weak: 29 out of 100. Higher than 2% of charities in its peer group (science, $10m to $100m).

  • Reserves

    0 of 35

    Spendable reserves are negative: it owes or has committed more than it holds.

  • Debt

    5 of 20

    It owes 60% of what it owns.

  • Living within its means

    4 of 15

    Spending exceeded income by 10% of income.

  • Income trend

    5 of 15

    Income fell 23% on the year before.

  • Spending floor

    15 of 15

    90% of spending went to programs and raising each dollar of donations cost 1 cents.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Strong: 93 out of 100. Higher than 35% of charities in its peer group (science, $10m to $100m).

  • Independent board

    18 of 25

    2 of 3 voting board members are independent.

  • Conflict of interest policy

    15 of 15

    Has a written conflict of interest policy.

  • Whistleblower policy

    8 of 8

    Has a written whistleblower policy.

  • Record keeping policy

    7 of 7

    Has a written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • Pay set independently

    5 of 5

    Sets its chief executive's pay through independent review and comparison.

  • Independent check of accounts

    15 of 15

    Its accounts were audited by an independent accountant.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (1)
  1. $16.2 million spent. BELOW ARE SOME KEY HIGHLIGHTS OF WATTTIMES PROGRESS ON SEVERAL FRONTS IN FY25. 1. AER ASSISTANCE: WATTTIME CONTINUED TO GROW THE NUMBER OF PEOPLE WE WERE ABLE TO HELP AUTOMATE THEIR DEVICES TO SHIFT ELECTRICITY TO TIMES THAT REDUCE ENVIRONMENTAL HARM (WHICH WE CALL AUTOMATED EMISSIONS REDUCTION OR AER). IN FY25 WE SUPPORTED OVER 1 BILLION DEVICES TO USE AER. 2. AER EDUCATION: WE ALSO CONTINUED TO RAISE AWARENESS OF AER THROUGH GIVING TALKS, NEWS PUBLICATION, AND BY PUBLISHING FREE DATA TO ENABLE AER FREE ON SEVERAL SITES, SUCH AS CARBONTREASUREMAP.ORG, AND GRIDEMISSIONSDATA.IO. 3. RESEARCH TO MAKE AER MORE EFFECTIVE: IN FY25 WE DEVELOPED A NOVEL TECHNIQUE TO MAKE AER EVEN MORE EFFECTIVE AT REDUCING ENVIRONMENTAL HARM, BY ADDING IN BUILD MARGINAL EMISSIONS DATA. MORE INFORMATION AT GEM.WIKI/MBERS. 4. SUPPORTING HARMONIZATION OF METHODS. IN FY25, WATTTIME CONTINUED TO SUPPORT THE DEVELOPMENT AND SPREAD OF COMMON PROTOCOLS TO SHIFT ELECTRICITY USE TO CLEANER TIME, MOST NOTABLY BY SUPPORTING THE TECHNICAL WORKING GROUP FOR THE WIDELY USED GREENHOUSE GAS PROTOCOL. 5. CLIMATE TRACE EMISSIONS DATA RESEARCH: WATTTIME SERVES AS BOTH THE ELECTRICITY SECTOR LEAD, AND THE OVERALL COORDINATING SECRETARIAT, OF THE CLIMATE TRACE RESEARCH COALITION. CLIMATE TRACE COMBINES DATA FROM NUMEROUS DIFFERENT NONPROFITS, UNIVERSITIES, AND TECH COMPANIES IN ONE FREE SITE. IN FY25, THE PROJECT ESTIMATED EMISSIONS OF NUMEROUS POLLUTANTS, FROM METHANE TO SULFUR DIOXIDE, AT OVER 700 MILLION LOCATIONS WORLDWIDE. 6. EXPLORING NOVEL APPLICATIONS OF EMISSIONS DATA: IN FY25, WATTTIME ALSO SUPPORTED OTHER CLIMATE TRACE COALITION MEMBERS IN RESEARCHING WAYS TO EXTEND THE AER CONCEPT TO DEVELOP SIMILAR LOW-COST, DATA-DRIVEN WAYS TO REDUCE ENVIRONMENTAL HARM IN OTHER SECTORS OUTSIDE OF ELECTRICITY. THE COALITION PREPARED TO RELEASE SUCH TECHNIQUES IN NOVEMBER 2025. BELOW ARE SOME KEY HIGHLIGHTS OF WATTTIMES PROGRESS ON SEVERAL FRONTS IN FY25. 1. AER ASSISTANCE: WATTTIME CONTINUED TO GROW THE NUMBER OF PEOPLE WE WERE ABLE TO HELP AUTOMATE THEIR DEVICES TO SHIFT ELECTRICITY TO TIMES THAT REDUCE ENVIRONMENTAL HARM (WHICH WE CALL AUTOMATED EMISSIONS REDUCTION OR AER). IN FY25 WE SUPPORTED OVER 1 BILLION DEVICES TO USE AER. 2. AER EDUCATION: WE ALSO CONTINUED TO RAISE AWARENESS OF AER THROUGH GIVING TALKS, NEWS PUBLICATION, AND BY PUBLISHING FREE DATA TO ENABLE AER FREE ON SEVERAL SITES, SUCH AS CARBONTREASUREMAP.ORG, AND GRIDEMISSIONSDATA.IO. 3. RESEARCH TO MAKE AER MORE EFFECTIVE: IN FY25 WE DEVELOPED A NOVEL TECHNIQUE TO MAKE AER EVEN MORE EFFECTIVE AT REDUCING ENVIRONMENTAL HARM, BY ADDING IN BUILD MARGINAL EMISSIONS DATA. MORE INFORMATION AT GEM.WIKI/MBERS. 4. SUPPORTING HARMONIZATION OF METHODS. IN FY25, WATTTIME CONTINUED TO SUPPORT THE DEVELOPMENT AND SPREAD OF COMMON PROTOCOLS TO SHIFT ELECTRICITY USE TO CLEANER TIME, MOST NOTABLY BY SUPPORTING THE TECHNICAL WORKING GROUP FOR THE WIDELY USED GREENHOUSE GAS PROTOCOL. 5. CLIMATE TRACE EMISSIONS DATA RESEARCH: WATTTIME SERVES AS BOTH THE ELECTRICITY SECTOR LEAD, AND THE OVERALL COORDINATING SECRETARIAT, OF THE CLIMATE TRACE RESEARCH COALITION. CLIMATE TRACE COMBINES DATA FROM NUMEROUS DIFFERENT NONPROFITS, UNIVERSITIES, AND TECH COMPANIES IN ONE FREE SITE. IN FY25, THE PROJECT ESTIMATED EMISSIONS OF NUMEROUS POLLUTANTS, FROM METHANE TO SULFUR DIOXIDE, AT OVER 700 MILLION LOCATIONS WORLDWIDE. 6. EXPLORING NOVEL APPLICATIONS OF EMISSIONS DATA: IN FY25, WATTTIME ALSO SUPPORTED OTHER CLIMATE TRACE COALITION MEMBERS IN RESEARCHING WAYS TO EXTEND THE AER CONCEPT TO DEVELOP SIMILAR LOW-COST, DATA-DRIVEN WAYS TO REDUCE ENVIRONMENTAL HARM IN OTHER SECTORS OUTSIDE OF ELECTRICITY. THE COALITION PREPARED TO RELEASE SUCH TECHNIQUES IN NOVEMBER 2025.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending June 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since August 2015.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.