California Code, Public Utilities Code - PUC § 399.20.5

(a) Notwithstanding paragraph (1) of subdivision (b) and paragraph (2) of subdivision (j) of Section 399.20, a conduit hydroelectric facility with an effective capacity of up to four megawatts that otherwise meets the requirements of Section 399.20 shall be eligible for the standard contract or tariff established pursuant to subdivision (c) of Section 399.20 if the electric generation facility meets all the following additional requirements:

(b) A facility meeting the requirements of subdivision (a) shall receive payment pursuant to paragraph (1) of subdivision (d) of Section 399.20, provided that no payment shall be made for any electricity delivered to the grid in excess of three megawatts at any time.